Abstract

Transmission of a 73.7 Tb/s (96x3x256-Gb/s) DP-16QAM mode-division-multiplexed signal over 119km of few-mode fiber transmission line incorporating an inline multi mode EDFA and a phase plate based mode (de-)multiplexer is demonstrated. Data-aided 6x6 MIMO digital signal processing was used to demodulate the signal. The total demonstrated net capacity, taking into account 20% of FEC-overhead and 7.5% additional overhead (Ethernet and training sequences), is 57.6 Tb/s, corresponding to a spectral efficiency of 12 bits/s/Hz.

© 2012 OSA

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2012

2011

Alam, S.

Bolle, C.

Burrows, E.

Dhar, A.

Esmaeelpour, M.

Essiambre, R.

Giles, D.

Giles, I. P.

Gnauck, A.

Grüner-Nielsen, L.

Jung, Y.

Li, Z.

Lingle, R.

McCurdy, A.

Mumtaz, S.

Peckham, D.

Poletti, F.

Randel, S.

Richardson, D. J.

Ryf, R.

Sahu, J. K.

Sierra, A.

Winzer, P.

J. Lightwave Technol.

Opt. Express

Other

D. A. Morero, M. A. Castrillon, F. A. Ramos, T. A. Goette, O. E. Agazzi, and M. R. Hueda, “Non-concatenated FEC codes for ultra-high speed optical transport networks, ” Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE, 1–5, 5–9 Dec. 2011.

S. Randel, M. Mestre, R. Ryf, and P. Winzer, “Digital signal processing in spatially-multiplexed coherent communication,” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Tu.3.C.1.

P. Krummrich, “Optical amplifiers for multi mode / multi core transmission, ” in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper OW1D.1.

L. Gruner-Nielsen, Y. Sun, J. Nicholson, D. Jakobsen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling and low loss, ” in National Fiber Optic Engineers Conference, OSA Technical Digest (Optical Society of America, 2012), 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,” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Th.3.C.1.

H. Takahashi, T. Tsuritani, E. Le Taillandier de Gabory, T. Ito, W. 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 x 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Th.3.C.3.

A. Li, A. Al Amin, X. Chen, and W. Shieh, “Reception of mode and polarization multiplexed 107-Gb/s CO-OFDM signal over a two-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2011), paper PDPB8.

C. Koebele, M. Salsi, L. Milord, R. Ryf, C. Bolle, P. Sillard, S. Bigo, and G. Charlet, “40km transmission of five mode division multiplexed data streams at 100Gb/s with low MIMO-DSP complexity,” in 37th European Conference and Exposition on Optical Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper Th.13.C.3.

R. Ryf, S. Randel, A. Gnauck, C. Bolle, R. Essiambre, P. Winzer, D. Peckham, A. McCurdy, and R. Lingle, “Space-division multiplexing over 10 km of three-mode fiber using coherent 6 × 6 MIMO processing,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2011), paper PDPB10.

R. Ryf, S. Randel, M. Mestre, C. Schmidt, A. Gnauck, R. Essiambre, P. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, X. Jiang, A. McCurdy, D. Peckham, and R. Lingle, “209-km single-span mode- and wavelength-multiplexed transmission over hybrid few-mode fiber,” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Tu.1.C.1.

S. Randel, R. Ryf, A. Gnauck, M. Mestre, C. Schmidt, R. Essiambre, P. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, X. Jiang, and R. Lingle, “Mode-multiplexed 6×20-GBd QPSK transmission over 1200-km DGD-compensated few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper PDP5C.5.

E. Ip, N. Bai, Y. Huang, E. Mateo, F. Yaman, S. Bickham, H. Tam, C. Lu, M. Li, S. Ten, A. Lau, V. Tse, G. Peng, C. Montero, X. Prieto, and G. Li, “88x3x112-Gb/s WDM transmission over 50-km of three-mode fiber with inline multimode fiber amplifier,” in 37th European Conference and Exposition on Optical Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper Th.13.C.2.

E. Ip, N. Bai, Y. Huang, E. Mateo, F. Yaman, M. Li, S. Bickham, S. Ten, Y. Luo, G. Peng, G. Li, T. Wang, J. Linares, C. Montero, and V. Moreno, “6x6 MIMO transmission over 50+25+10 km heterogeneous spans of few-mode fiber with inline erbium-doped fiber amplifier,” in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper OTu2C.4.

V. Sleiffer, Y. Jung, B. Inan, H. Chen, R. van Uden, M. Kuschnerov, D. van den Borne, S. Jansen, V. Veljanovski, T. Koonen, D. Richardson, S. Alam, F. Poletti, J. Sahu, A. Dhar, B. Corbett, R. Winfield, A. Ellis, and H. de Waardt, “Mode-division-multiplexed 3x112-Gb/s DP-QPSK transmission over 80 km few-mode fiber with inline MM-EDFA and blind DSP,” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Tu.1.C.2.

V. Sleiffer, Y. Jung, V. Veljanovski, R. van Uden, M. Kuschnerov, Q. Kang, L. Grüner-Nielsen, Y. Sun, D. Richardson, S. Alam, F. Poletti, J. Sahu, A. Dhar, H. Chen, B. Inan, T. Koonen, B. Corbett, R. Winfield, A. Ellis, and H. de Waardt, “73.7 Tb/s (96X3x256-Gb/s) mode-division-multiplexed DP-16QAM transmission with inline MM-EDFA, ” in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optical Society of America, 2012), paper Th.3.C.4.

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Figures (8)

Fig. 1
Fig. 1

Experimental setup. (a) Electrical 4-PAM generated by the DAC. (b) 256-Gb/s DP-16QAM constellations in back-to-back single-mode configuration. (c) Spectrum at transmitter side (96 channels).

Fig. 2
Fig. 2

Mode intensity profiles after phase plates (middle row) and after ~10m of FMF (bottom row).

Fig. 3
Fig. 3

Basic measurements for ER between LP01 and LP11 modes. (a) Coupling of a LP11 mode into a single-mode fiber (SMF) to select the best phase plates (b) Exciting the LP01 / LP11 mode and checking the ER and back-conversion from LP11 to LP01 (c) Using tele-centric launching to obtain a cleaner LP01 excitation in the FMF (d) Increased LP11 to LP01 ER.

Fig. 4
Fig. 4

Mode multiplexer and de-multiplexer as used in the transmission experiment

Fig. 5
Fig. 5

DM = Dichroic mirror. (a) Schematic of the MM-EDFA. (b) The measured modal gain spectrum versus frequency at a coupled 980nm pump power of 22dBm and a signal power of −5 dBm per mode.

Fig. 6
Fig. 6

(a) Back-to-back curves. (b) Bit error rate versus received power per channel in MDM back-to-back configuration. (c) Bit error rate versus distance for the 193.40 THz channel

Fig. 7
Fig. 7

Magnitude of impulse response versus number of taps of the 6x6 MIMO-equalizer obtained after 119km of transmission for the channel at 193.4 THz.

Fig. 8
Fig. 8

Bit error rate for all 96 WDM channels after 119km transmission distance with the received spectrum after mode DEMUX. Bottom: constellations after transmission.

Tables (2)

Tables Icon

Table 1 Crosstalk levels back-to-back [dB]

Tables Icon

Table 2 Span 1 (spool 1,2,3) (total length 84km) and span 2 (spool 4,5) (total length 35km)

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