Abstract

We proposed a PLC-based mode multi/demultiplexer (MUX/DEMUX) with an asymmetric parallel waveguide for mode division multiplexed (MDM) transmission. The mode MUX/DEMUX including a mode conversion function with an asymmetric parallel waveguide can be realized by matching the effective indices of the LP01 and LP11 modes of two waveguides. We report the design of a mode MUX/DEMUX that can support C-band WDM-MDM transmission. The fabricated mode MUX/DEMUX realized a low insertion loss of less than 1.3 dB and high a mode extinction ratio that exceeded 15 dB. We used the fabricated mode MUX/DEMUX to achieve a successful 2 mode x 4 wavelength x 10 Gbps transmission over a 9 km two-mode fiber with a penalty of less than 1 dB.

© 2013 Optical Society of America

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  1. D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).
  2. T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
    [CrossRef]
  3. K. Imamura, Y. Tsuchida, K. Mukasa, R. Sugizaki, K. Saitoh, and M. Koshiba, “Investigation on multi-core fibers with large Aeff and low micro bending loss,” Opt. Express19(11), 10595–10603 (2011).
    [CrossRef] [PubMed]
  4. T. Hayashi, T. Taru, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Characterization of crosstalk in ultra-low-crosstalk multi-core fiber,” J. Lightwave Technol.30(4), 583–589 (2012).
    [CrossRef]
  5. M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
    [CrossRef]
  6. K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
    [CrossRef]
  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,” ECOC2012, paper Th.3.C.1 (2012).
  8. V. A. J. M. Sleiffer, Y. Jung, V. Veljanovski, R. G. H. van Uden, M. Kuschnerov, H. Chen, B. Inan, L. G. Nielsen, Y. Sun, D. J. Richardson, S. U. Alam, F. Poletti, J. K. Sahu, A. Dhar, A. M. J. Koonen, B. Corbett, R. Winfield, A. D. Ellis, and H. de Waardt, “73.7 Tb/s (96 x 3 x 256-Gb/s) mode-division-multiplexed DP-16QAM transmission with inline MM-EDFA,” Opt. Express20(26), B428–B438 (2012).
    [CrossRef] [PubMed]
  9. E. Ip, N. Bai, 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. M. Chung, A. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, and G. Li, “88×3×112-Gb/s WDM transmission over 50 km of three-mode fiber with inline few-mode fiber amplifier,” ECOC2011, paper Th.13.C.2 (2011).
  10. 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,” OFC2012, paper OTU1I.4 (2012).
  11. R. Ryf, R. Essiambre, A. H. Gnauck, S. Randel, M. A. Mestre, C. Schmidt, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, T. Hayashi, T. Taru, and T. Sasaki, “Space-division multiplexed transmission over 4200-km 3-Core microstructured fiber,” OFC2012, paper PDP5C.2 (2012).
  12. A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
    [CrossRef]
  13. R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
    [CrossRef]
  14. 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. Lightwave Technol.30(17), 2783–2787 (2012).
    [CrossRef]
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  16. R. Ryf, M. A. Mestre, A. H. Gnauck, S. Randel, C. Schmidt, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, X. Jiang, D. W. Peckham, A. McCurdy, and R. Lingle, Jr., “Low-loss mode coupler for mode-multiplexed transmission in few-mode fiber,” OFC2012, paper PDP5B.5 (2012).
  17. 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. Gr¨uner-Nielsen, R. V. Jensen, and R. Lingle, Jr., “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” OFC2013, paper PDP5A.1 (2013).
  18. N. K. Fontaine, R. Ryf, B. Guan, and D. T. Neilson, “Wavelength blocker for few-mode-fiber space-division multiplexed systems,” OFC2013, paper OTh1B.1 (2013).
  19. T. Uematsu, K. Saitoh, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, and M. Koshiba, “Low-loss and broadband PLC-type mode (de)multiplexer for mode-division multiplexing transmission,” OFC2013, paper OTh1B.5 (2013).
  20. M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).
  21. H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
    [CrossRef]
  22. W. V. Sorin, B. Y. Kim, and H. J. Shaw, “Highly selective evanescent modal filter for two-mode optical fibers,” Opt. Lett.11(9), 581–583 (1986).
    [CrossRef] [PubMed]

2013

H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
[CrossRef]

2012

T. Hayashi, T. Taru, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Characterization of crosstalk in ultra-low-crosstalk multi-core fiber,” J. Lightwave Technol.30(4), 583–589 (2012).
[CrossRef]

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. Lightwave Technol.30(17), 2783–2787 (2012).
[CrossRef]

V. A. J. M. Sleiffer, Y. Jung, V. Veljanovski, R. G. H. van Uden, M. Kuschnerov, H. Chen, B. Inan, L. G. Nielsen, Y. Sun, D. J. Richardson, S. U. Alam, F. Poletti, J. K. Sahu, A. Dhar, A. M. J. Koonen, B. Corbett, R. Winfield, A. D. Ellis, and H. de Waardt, “73.7 Tb/s (96 x 3 x 256-Gb/s) mode-division-multiplexed DP-16QAM transmission with inline MM-EDFA,” Opt. Express20(26), B428–B438 (2012).
[CrossRef] [PubMed]

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
[CrossRef]

2011

1986

Al Amin, A.

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

Alam, S. U.

Awaji, Y.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

Chen, H.

Chen, X.

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

Corbett, B.

de Waardt, H.

Dhar, A.

Ellis, A. D.

Essiambre, R.

R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
[CrossRef]

Fontaine, N. K.

R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
[CrossRef]

Hayashi, T.

Hu, J.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Huang, M. F.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Huang, Y. K.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Imamura, K.

Inan, B.

Ip, E.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Jung, Y.

Kim, B. Y.

Kitoh, T.

M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).

Koonen, A. M. J.

Koshiba, M.

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

K. Imamura, Y. Tsuchida, K. Mukasa, R. Sugizaki, K. Saitoh, and M. Koshiba, “Investigation on multi-core fibers with large Aeff and low micro bending loss,” Opt. Express19(11), 10595–10603 (2011).
[CrossRef] [PubMed]

Kubota, H.

H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
[CrossRef]

Kuschnerov, M.

Li, A.

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

Matsuo, S.

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

Mori, A.

M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).

Mori, T.

Morioka, T.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

Mukasa, K.

Nielsen, L. G.

Oguma, M.

H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
[CrossRef]

M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).

Poletti, F.

Qian, D.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Richardson, D.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

Richardson, D. J.

Ryf, R.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
[CrossRef]

Sahu, J. K.

Saitoh, K.

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

K. Imamura, Y. Tsuchida, K. Mukasa, R. Sugizaki, K. Saitoh, and M. Koshiba, “Investigation on multi-core fibers with large Aeff and low micro bending loss,” Opt. Express19(11), 10595–10603 (2011).
[CrossRef] [PubMed]

Sakamoto, T.

Sasaki, T.

Sasaoka, E.

Shao, Y.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Shaw, H. J.

Shieh, W.

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

Shimakawa, O.

Sleiffer, V. A. J. M.

Sorin, W. V.

Sugizaki, R.

Sun, Y.

Takahashi, H.

M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).

Takara, H.

H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
[CrossRef]

Takenaga, K.

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

Taru, T.

Tomita, S.

Tsuchida, Y.

van Uden, R. G. H.

Veljanovski, V.

Wang, T.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

Winfield, R.

Winzer, P.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

Yamamoto, T.

IEEE Commun. Mag.

T. Morioka, Y. Awaji, R. Ryf, P. Winzer, D. Richardson, and F. Poletti, “Enhancing optical communications with brand new fibers,” IEEE Commun. Mag.50(2), s31–s42 (2012).
[CrossRef]

IEEE Photon. J.

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J.4(5), 1987–1995 (2012).
[CrossRef]

IEEE Photon. Technol. Lett.

K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Crosstalk and core density in uncoupled multicore fibers,” IEEE Photon. Technol. Lett.24(21), 1898–1901 (2012).
[CrossRef]

A. Li, X. Chen, A. Al Amin, and W. Shieh, “Fused fiber mode couplers for few-mode transmission,” IEEE Photon. Technol. Lett.24(21), 1953–1956 (2012).
[CrossRef]

R. Ryf, N. K. Fontaine, and R. Essiambre, “Spot-based mode couplers for mode-multiplexed transmission in few-mode fiber,” IEEE Photon. Technol. Lett.24(21), 1973–1976 (2012).
[CrossRef]

IEICE Electron. Express

H. Kubota, M. Oguma, and H. Takara, “Three-mode multi/demultiplexing experiment using PLC mode multiplexer and its application to 2+1 mode bi-directional optical communication,” IEICE Electron. Express10(12), 1–6 (2013).
[CrossRef]

J. Lightwave Technol.

Opt. Express

Opt. Lett.

Other

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370x294-Gb/s) PDM-128QAM-OFDM transmission over 3x55-km SSMF using pilot-based phase noise mitigation,” OFC2011, paper PDPB5 (2011).

E. Ip, N. Bai, 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. M. Chung, A. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, and G. Li, “88×3×112-Gb/s WDM transmission over 50 km of three-mode fiber with inline few-mode fiber amplifier,” ECOC2011, paper Th.13.C.2 (2011).

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,” OFC2012, paper OTU1I.4 (2012).

R. Ryf, R. Essiambre, A. H. Gnauck, S. Randel, M. A. Mestre, C. Schmidt, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, T. Hayashi, T. Taru, and T. Sasaki, “Space-division multiplexed transmission over 4200-km 3-Core microstructured fiber,” OFC2012, paper PDP5C.2 (2012).

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,” ECOC2012, paper Th.3.C.1 (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,” OFC2013, paper OTh3K.1 (2013).

R. Ryf, M. A. Mestre, A. H. Gnauck, S. Randel, C. Schmidt, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, X. Jiang, D. W. Peckham, A. McCurdy, and R. Lingle, Jr., “Low-loss mode coupler for mode-multiplexed transmission in few-mode fiber,” OFC2012, paper PDP5B.5 (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. Gr¨uner-Nielsen, R. V. Jensen, and R. Lingle, Jr., “32-bit/s/Hz spectral efficiency WDM transmission over 177-km few-mode fiber,” OFC2013, paper PDP5A.1 (2013).

N. K. Fontaine, R. Ryf, B. Guan, and D. T. Neilson, “Wavelength blocker for few-mode-fiber space-division multiplexed systems,” OFC2013, paper OTh1B.1 (2013).

T. Uematsu, K. Saitoh, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, and M. Koshiba, “Low-loss and broadband PLC-type mode (de)multiplexer for mode-division multiplexing transmission,” OFC2013, paper OTh1B.5 (2013).

M. Oguma, T. Kitoh, A. Mori, and H. Takahashi, “Ultrawide-passband tandem MZI-synchronized AWG and group delay ripple balancing out technique,” ECOC2010, paper We8.E .2 (2010).

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Figures (11)

Fig. 1
Fig. 1

Basic concept of AMC with mode conversion. (a) Overhead view. (b) Cross-section view.

Fig. 2
Fig. 2

(a) Image of effective index for mode coupling between LP01 and LP11 modes. (b) Waveguide width dependence of effective index.

Fig. 3
Fig. 3

(a) Waveguide width dependence of Δ. (b) Interaction length dependence of Δ.

Fig. 4
Fig. 4

Interaction length dependence on waveguide gap.

Fig. 5
Fig. 5

(a) Coupling ratio dependence wavelength with 3.0 μm gap. (b) Coupling ratio dependence wavelength with 4.0 μm gap.

Fig. 6
Fig. 6

Peak coupling ratio and 1% down bandwidth from peak coupling ratio dependences of gap.

Fig. 7
Fig. 7

Near field patterns of AMC1 and AMC2.

Fig. 8
Fig. 8

(a) Wavelength dependence of insertion loss in AMC1. (b) Wavelength dependence of insertion loss in AMC2.

Fig. 9
Fig. 9

(a) Wavelength dependence of mode extinction ratio in AMC1. (b) Wavelength dependence of mode extinction ratio in AMC2.

Fig. 10
Fig. 10

Experimental setup for MDM-WDM transmission.

Fig. 11
Fig. 11

MDM-WDM BER characteristics. (a) LP01 mode transmission with AMC1. (b) LP11 mode transmission with AMC1. (c) LP01 mode transmission with AMC2. (d) LP11 mode transmission with AMC2.

Tables (1)

Tables Icon

Table 1 Waveguide parameters of fabricated AMC

Metrics