H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

B. Franz, D. Suikat, R. Dischler, F. Buchali, and H. Buelow, “High speed OFDM data transmission over 5 km GI-multimode fiber using spatial multiplexing with 2 × 4 MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Torino, Italy, 2011, Paper Th.3.C.4.

B. Franz, D. Suikat, R. Dischler, F. Buchali, and H. Buelow, “High speed OFDM data transmission over 5 km GI-multimode fiber using spatial multiplexing with 2 × 4 MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Torino, Italy, 2011, Paper Th.3.C.4.

R. E. Freund, C.-A. Bunge, N. N. Ledentsov, D. Molin, and C. Caspar, “High-speed transmission in multimode fibers,” J. Lightw. Technol., vol. 28, no. 4, pp. 569–586, 2010.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. E. Freund, C.-A. Bunge, N. N. Ledentsov, D. Molin, and C. Caspar, “High-speed transmission in multimode fibers,” J. Lightw. Technol., vol. 28, no. 4, pp. 569–586, 2010.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

F. M. Ferreira, D. Fonseca, and H. J. A. da Silva, “Design of few-mode fibers with M-modes and low differential mode delay,” J. Lightw. Technol., vol. 32, no. 3, pp. 353–360, 2014.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

B. Franz, D. Suikat, R. Dischler, F. Buchali, and H. Buelow, “High speed OFDM data transmission over 5 km GI-multimode fiber using spatial multiplexing with 2 × 4 MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Torino, Italy, 2011, Paper Th.3.C.4.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

F. M. Ferreira, D. Fonseca, and H. J. A. da Silva, “Design of few-mode fibers with M-modes and low differential mode delay,” J. Lightw. Technol., vol. 32, no. 3, pp. 353–360, 2014.

F. M. Ferreira, D. Fonseca, and H. J. A. da Silva, “Design of few-mode fibers with M-modes and low differential mode delay,” J. Lightw. Technol., vol. 32, no. 3, pp. 353–360, 2014.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

B. Franz, D. Suikat, R. Dischler, F. Buchali, and H. Buelow, “High speed OFDM data transmission over 5 km GI-multimode fiber using spatial multiplexing with 2 × 4 MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Torino, Italy, 2011, Paper Th.3.C.4.

R. E. Freund, C.-A. Bunge, N. N. Ledentsov, D. Molin, and C. Caspar, “High-speed transmission in multimode fibers,” J. Lightw. Technol., vol. 28, no. 4, pp. 569–586, 2010.

T. Matsui, K. Nakajima, and C. Fukai, “Applicability of photonic crystal fiber with uniform air-hole structure to high-speed and wide-band transmission over conventional telecommunication bands,” J. Lightw. Technol., vol. 27, no. 23, pp. 5410–5416, 2009.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

A. Tarighat, R. C. J. Hsu, A. Shah, A. H. Sayed, and B. Jalali, “Fundamentals and challenges of optical multiple-input multiple-output multimode fiber-links,” IEEE Commun. Mag., vol. 45, no. 5, pp. 57–63, 2007.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

A. Tarighat, R. C. J. Hsu, A. Shah, A. H. Sayed, and B. Jalali, “Fundamentals and challenges of optical multiple-input multiple-output multimode fiber-links,” IEEE Commun. Mag., vol. 45, no. 5, pp. 57–63, 2007.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Elect., vol. 38, no. 7, pp. 927–933, 2002.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

K. Sato, R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Optimized graded index two-mode optical fiber with low DMD, large Aeff and low bending loss,” Opt. Exp., vol. 21, no. 14, pp. 16231–16238, 2013.

R. Maruyama, N. Kuwaki, S. Matsuo, K. Sato, and M. Ohashi, “DMD free transmission line composed of TMFs with large effective area for MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Tu.1.F.2.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

R. E. Freund, C.-A. Bunge, N. N. Ledentsov, D. Molin, and C. Caspar, “High-speed transmission in multimode fibers,” J. Lightw. Technol., vol. 28, no. 4, pp. 569–586, 2010.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

K. Sato, R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Optimized graded index two-mode optical fiber with low DMD, large Aeff and low bending loss,” Opt. Exp., vol. 21, no. 14, pp. 16231–16238, 2013.

R. Maruyama, N. Kuwaki, S. Matsuo, K. Sato, and M. Ohashi, “DMD free transmission line composed of TMFs with large effective area for MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Tu.1.F.2.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

T. Matsui, K. Nakajima, and C. Fukai, “Applicability of photonic crystal fiber with uniform air-hole structure to high-speed and wide-band transmission over conventional telecommunication bands,” J. Lightw. Technol., vol. 27, no. 23, pp. 5410–5416, 2009.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

K. Sato, R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Optimized graded index two-mode optical fiber with low DMD, large Aeff and low bending loss,” Opt. Exp., vol. 21, no. 14, pp. 16231–16238, 2013.

R. Maruyama, N. Kuwaki, S. Matsuo, K. Sato, and M. Ohashi, “DMD free transmission line composed of TMFs with large effective area for MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Tu.1.F.2.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

R. E. Freund, C.-A. Bunge, N. N. Ledentsov, D. Molin, and C. Caspar, “High-speed transmission in multimode fibers,” J. Lightw. Technol., vol. 28, no. 4, pp. 569–586, 2010.

P. Sillard and D. Molin, “A review of few-mode fibers for space-division multiplexed transmissions,” presented at the 39th Eur. Conf. Exhib. Opt. Commun., London, U.K., 2013, Paper Mo.3.A.1.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

T. Sakamoto, T. Mori, T. Yamamoto, and S. Tomita, “Differential mode delay managed transmission line for WDM-MIMO system using multi-step index fiber,”J. Lightw. Technol., vol. 30, no. 17, pp. 2783–2787, 2012.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Low DMD four LP mode transmission fiber for wide-band WDM-MIMO system,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper OTh3K.1.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Six-LP-mode transmission fiber with DMD of less than 70 ps/km over C + L band,” presented at the Opt. Fiber Commun., San Francisco, CA, 2014, Paper M3F.3.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

T. Matsui, K. Nakajima, and C. Fukai, “Applicability of photonic crystal fiber with uniform air-hole structure to high-speed and wide-band transmission over conventional telecommunication bands,” J. Lightw. Technol., vol. 27, no. 23, pp. 5410–5416, 2009.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

K. Sato, R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Optimized graded index two-mode optical fiber with low DMD, large Aeff and low bending loss,” Opt. Exp., vol. 21, no. 14, pp. 16231–16238, 2013.

R. Maruyama, N. Kuwaki, S. Matsuo, K. Sato, and M. Ohashi, “DMD free transmission line composed of TMFs with large effective area for MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Tu.1.F.2.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Elect., vol. 38, no. 7, pp. 927–933, 2002.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

T. Sakamoto, T. Mori, T. Yamamoto, and S. Tomita, “Differential mode delay managed transmission line for WDM-MIMO system using multi-step index fiber,”J. Lightw. Technol., vol. 30, no. 17, pp. 2783–2787, 2012.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Six-LP-mode transmission fiber with DMD of less than 70 ps/km over C + L band,” presented at the Opt. Fiber Commun., San Francisco, CA, 2014, Paper M3F.3.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Low DMD four LP mode transmission fiber for wide-band WDM-MIMO system,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper OTh3K.1.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

K. Sato, R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Optimized graded index two-mode optical fiber with low DMD, large Aeff and low bending loss,” Opt. Exp., vol. 21, no. 14, pp. 16231–16238, 2013.

R. Maruyama, N. Kuwaki, S. Matsuo, K. Sato, and M. Ohashi, “DMD free transmission line composed of TMFs with large effective area for MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Tu.1.F.2.

A. Tarighat, R. C. J. Hsu, A. Shah, A. H. Sayed, and B. Jalali, “Fundamentals and challenges of optical multiple-input multiple-output multimode fiber-links,” IEEE Commun. Mag., vol. 45, no. 5, pp. 57–63, 2007.

A. Tarighat, R. C. J. Hsu, A. Shah, A. H. Sayed, and B. Jalali, “Fundamentals and challenges of optical multiple-input multiple-output multimode fiber-links,” IEEE Commun. Mag., vol. 45, no. 5, pp. 57–63, 2007.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

P. Sillard and D. Molin, “A review of few-mode fibers for space-division multiplexed transmissions,” presented at the 39th Eur. Conf. Exhib. Opt. Commun., London, U.K., 2013, Paper Mo.3.A.1.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

H. R. Stuart, “Dispersive multiplexing in multimode optical fiber,” Science, vol. 289, no. 5477, pp. 281–283, 2000.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

B. Franz, D. Suikat, R. Dischler, F. Buchali, and H. Buelow, “High speed OFDM data transmission over 5 km GI-multimode fiber using spatial multiplexing with 2 × 4 MIMO processing,” presented at the Eur. Conf. Exhib. Opt. Commun., Torino, Italy, 2011, Paper Th.3.C.4.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

L. G. -Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper PDP5A.1.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

A. Tarighat, R. C. J. Hsu, A. Shah, A. H. Sayed, and B. Jalali, “Fundamentals and challenges of optical multiple-input multiple-output multimode fiber-links,” IEEE Commun. Mag., vol. 45, no. 5, pp. 57–63, 2007.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

B. C. Thomsen, “MIMO enabled 40 Gb/s transmission using mode division multiplexing in multimode fiber,” presented at the Opt. Fiber Commun. Conf., San Diego, CA, 2010, Paper OThM6.

T. Sakamoto, T. Mori, T. Yamamoto, and S. Tomita, “Differential mode delay managed transmission line for WDM-MIMO system using multi-step index fiber,”J. Lightw. Technol., vol. 30, no. 17, pp. 2783–2787, 2012.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui1, S. Tomita, and M. Koshiba, “Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2011, Paper OWA4.

N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, S. Tomita, and M. Koshiba, “Asymmetric parallel waveguide with mode conversion for mode and wavelength division multiplexing transmission,” presented at the Opt. Fiber Commun. Conf., Los Angeles, CA, 2012, Paper OTu1l.4.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.1.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

P. Sillard, D. Molin, M. Bigot-Astruc, H. Maerten, D. Van Ras, and F. Achten, “Low-DMGD 6-LP-mode fiber,” presented at the Opt. Fiber Commun. Conf., San Francisco, CA, 2014, Paper M3F.2.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

C. Koebele, M. Salsi, D. Sperti, P. Tran, P. Brindel, H. Mardoyan, S. Bigo, A. Boutin, F. Verluise, P. Sillard, M. Astruc, L. Provost, F. Cerou, and G. Charlet, “Two mode transmission at 2 × 100 Gb/s, over 40 km-long prototype few-mode fiber, using LCOS-based programmable mode multiplexer and demultiplexer,” Opt. Exp., vol. 19, no. 17, pp. 16593–16600, 2011.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Low DMD four LP mode transmission fiber for wide-band WDM-MIMO system,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper OTh3K.1.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Six-LP-mode transmission fiber with DMD of less than 70 ps/km over C + L band,” presented at the Opt. Fiber Commun., San Francisco, CA, 2014, Paper M3F.3.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.

M.-J. Li, B. Hoover, S. Li, S. Bickham, S. Ten, E. Ip, Y.-K. Huang, E. Mateo, Y. Shao, and T. Wang, “Low delay and large effective area few-mode fibers for mode-division multiplexing,” presented at the Opto-Electron. Commun. Conf., Busan, Korea, 2012, Paper 5C3-2.

H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” presented at theEur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.3.

V. Sleiffer, Y. Jung, V. Veljanovski, R. V. Uden, M. Kuschnerov, Q. Kang, L.-G. -Nielsen, Y. Sun, D. Richardson, S.-U. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. D. Waardt, “73.7 Tb/s (96 × 3 × 256-Gb/s) mode-division- multiplexed DP-16QAM transmission with inline MM-EDFA,” presented at the Eur. Conf. Exhib. Opt. Commun., Amsterdam, The Netherlands, 2012, Paper Th.3.C.4.

R. Ryf, S. Randel, A. H. Gnauck, C. Bolle, A. Sierra, S. Mumtaz, M. Esmaeelpour, E. C. Burrows, R.-J. Essiambre, P. J. Winzer, D. W. Peckham, A. H. McCurdy, and R. Lingle, “Mode-division multiplexing over 96 km of few-mode fiber using coherent 6 × 6 MIMO processing,” J. Lightw. Technol., vol. 30, no. 4, pp. 521–531, 2012.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

R. Ryf, S. Randel, N. K. Fontaine, M. Montoliu, E. Burrows, S. Corteselli, S. Chandrasekhar, A. H. Gnauck, C. Xie, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, L.-G. Nielsen, R. V. Jensen, and R. Lingle, “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper PDP5A.1.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Low DMD four LP mode transmission fiber for wide-band WDM-MIMO system,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper OTh3K.1.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Six-LP-mode transmission fiber with DMD of less than 70 ps/km over C + L band,” presented at the Opt. Fiber Commun., San Francisco, CA, 2014, Paper M3F.3.

T. Sakamoto, T. Mori, T. Yamamoto, and S. Tomita, “Differential mode delay managed transmission line for WDM-MIMO system using multi-step index fiber,”J. Lightw. Technol., vol. 30, no. 17, pp. 2783–2787, 2012.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Six-LP-mode transmission fiber with DMD of less than 70 ps/km over C + L band,” presented at the Opt. Fiber Commun., San Francisco, CA, 2014, Paper M3F.3.

T. Mori, T. Sakamoto, M. Wada, T. Yamamoto, and F. Yamamoto, “Low DMD four LP mode transmission fiber for wide-band WDM-MIMO system,” presented at the Opt. Fiber Commun. Conf., Anaheim, CA, 2013, Paper OTh3K.1.

M. Hirano, T. Haruna, Y. Tamura, T. Kawano, S. Ohnuki, Y. Yamamoto, Y. Koyano, and T. Sasaki, “Record low loss, record high FOM optical fiber with manufacturable process,” presented at the Nat. Fiber Optic Eng. Conf., Anaheim, CA, 2013, Paper PDP5A.7.

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Exp., vol. 20, no. 3, pp. 2668–2680, 2012.