Abstract

We transmit 160x100G PDM RZ 16QAM channels with 5.2 bits/s/Hz spectral efficiency over 6,860 km. There are more than 3 billion 16 QAM symbols, i.e., 12 billion bits, processed in total. Using coded modulation and iterative decoding between a MAP decoder and an LDPC based FEC all channels are decoded with no remaining errors.

© 2012 OSA

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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 (370×294-Gb/s) PDM-128QAM-OFDM transmission over 3×55-km SSMF using pilot-based phase noise mitigation,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), PDPB5.
  2. J. X. Cai, Y. Cai, C. R. Davidson, A. Lucero, H. Zhang, D. G. Foursa, O. V. Sinkin, W. W. Patterson, A. Pilipetskii, G. Mohs, and N. S. Bergano, “20 Tbit/s capacity transmission over 6,860 km,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), PDPB4.
  3. S. Chandrasekhar, X. Liu, B. Zhu, and D. W. Peckham, “Transmission of a 1.2-Tb/s 24-carrier no-guard-interval coherent OFDM superchannel over 7200-km of ultra-large-area fiber,”in Proceedings of ECOC '09, (20–24 Sept. 2009), PD2.6.
  4. D. Qian, M. F. Huang, S. Zhang, P. N. Ji, Y. Shao, F. Yaman, E. Mateo, T. Wang, Y. Inada, T. Ogata, and Y. Aoki, “Transmission of 115×100G PDM-8QAM-OFDM channels with 4bits/s/Hz spectral efficiency over 10,181km,” in Proceedings of ECOC 2011, (18–22 Sept. 2011), Th.13.K.3.
  5. S. Zhang, M. F. Huang, F. Yaman, E. Mateo, D. Qian, Y. Zhang, L. Xu, Y. Shao, I. B. Djordjevic, T. Wang, Y. Inada, T. Inoue, T. Ogata, and Y. Aoki, “40×117.6 Gb/s PDM-16QAM OFDM Transmission over 10,181 km with Soft-Decision LDPC Coding and Nonlinearity Compensation,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), PDP5C.4.
  6. M. F. Huang, D. Qian, S. Zhang, T. Inoue, Y. Inada, and T. Wang, “Over 4,200km WDM Transmission of 80-Gb/s PDM-OFDM-16QAM Signals with 12.5-GHz Channel Spacing Employing EDFA only Amplification,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), OTu2A.2.
  7. P. J. Winzer, A. H. Gnauck, S. Chandrasekhar, S. Draving, J. Evangelista, and B. Zhu, “Generation and 1,200-km transmission of 448-Gb/s ETDM 56-Gbaud PDM 16-QAM using a single I/Q modulator,” in Proceedings of ECOC 2010, ECOC 2010, (19–23 Sept. 2010), PD2.2.
  8. I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
    [CrossRef]
  9. H. G. Batshon, I. B. Djordjevic, L. Xu, and T. Wang, “Multi-Dimensional LDPC-Coded Modulation for High-Speed Optical Communication Systems,” in Proceedings of IEEE Photonics Society Summer Topicals2009, (20–22 July 2009), WC1.3.
  10. I. B. Djordjevic, L. Xu, and T. Wang, “On the Reverse Concatenated Coded-Modulation for Ultra-High-Speed Optical Transport,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), OWF3.
  11. D. Chang, F. Yu, Z. Xiao, Y. Li, N. Stojanovic, C. Xie, X. Shi, X. Xu, and Q. Xiong, “FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10−15,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), OTuN2.
  12. C. R. Davidson, H. Zhang, Y. Cai, L. Liu, J.-X. Cai, A. N. Pilipetskii, M. Nissov, and S. Neal, Bergano, “Direct Measure of System Margin Enhancement by Polarization Scrambling,”, in Proceedings of OFC/NFOEC2004, (22–27 February 2004), WE1.
  13. L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
    [CrossRef]

2009

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

2007

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

Cvijetic, M.

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

Djordjevic, I. B.

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

Minkov, L. L.

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

Wang, T.

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

Xu, L.

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

IEEE Photon. Technol. Lett.

I. B. Djordjevic, M. Cvijetic, L. Xu, and T. Wang, “Proposal for beyond 100 Gb/s optical transmission based on bit-interleaved LDPC-coded modulation,” IEEE Photon. Technol. Lett. 19(12), 874–876 (2007).
[CrossRef]

L. L. Minkov, I. B. Djordjevic, L. Xu, and T. Wang, “PMD Compensation in Polarization-Multiplexed Multilevel Modulations by Turbo Equalization,” IEEE Photon. Technol. Lett. 21(23), 1773–1775 (2009).
[CrossRef]

Other

H. G. Batshon, I. B. Djordjevic, L. Xu, and T. Wang, “Multi-Dimensional LDPC-Coded Modulation for High-Speed Optical Communication Systems,” in Proceedings of IEEE Photonics Society Summer Topicals2009, (20–22 July 2009), WC1.3.

I. B. Djordjevic, L. Xu, and T. Wang, “On the Reverse Concatenated Coded-Modulation for Ultra-High-Speed Optical Transport,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), OWF3.

D. Chang, F. Yu, Z. Xiao, Y. Li, N. Stojanovic, C. Xie, X. Shi, X. Xu, and Q. Xiong, “FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10−15,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), OTuN2.

C. R. Davidson, H. Zhang, Y. Cai, L. Liu, J.-X. Cai, A. N. Pilipetskii, M. Nissov, and S. Neal, Bergano, “Direct Measure of System Margin Enhancement by Polarization Scrambling,”, in Proceedings of OFC/NFOEC2004, (22–27 February 2004), WE1.

D. Qian, M. F. Huang, E. Ip, Y. K. Huang, Y. Shao, J. Hu, and T. Wang, “101.7-Tb/s (370×294-Gb/s) PDM-128QAM-OFDM transmission over 3×55-km SSMF using pilot-based phase noise mitigation,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), PDPB5.

J. X. Cai, Y. Cai, C. R. Davidson, A. Lucero, H. Zhang, D. G. Foursa, O. V. Sinkin, W. W. Patterson, A. Pilipetskii, G. Mohs, and N. S. Bergano, “20 Tbit/s capacity transmission over 6,860 km,” in Proceedings of OFC/NFOEC2011, (6–10 March 2011), PDPB4.

S. Chandrasekhar, X. Liu, B. Zhu, and D. W. Peckham, “Transmission of a 1.2-Tb/s 24-carrier no-guard-interval coherent OFDM superchannel over 7200-km of ultra-large-area fiber,”in Proceedings of ECOC '09, (20–24 Sept. 2009), PD2.6.

D. Qian, M. F. Huang, S. Zhang, P. N. Ji, Y. Shao, F. Yaman, E. Mateo, T. Wang, Y. Inada, T. Ogata, and Y. Aoki, “Transmission of 115×100G PDM-8QAM-OFDM channels with 4bits/s/Hz spectral efficiency over 10,181km,” in Proceedings of ECOC 2011, (18–22 Sept. 2011), Th.13.K.3.

S. Zhang, M. F. Huang, F. Yaman, E. Mateo, D. Qian, Y. Zhang, L. Xu, Y. Shao, I. B. Djordjevic, T. Wang, Y. Inada, T. Inoue, T. Ogata, and Y. Aoki, “40×117.6 Gb/s PDM-16QAM OFDM Transmission over 10,181 km with Soft-Decision LDPC Coding and Nonlinearity Compensation,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), PDP5C.4.

M. F. Huang, D. Qian, S. Zhang, T. Inoue, Y. Inada, and T. Wang, “Over 4,200km WDM Transmission of 80-Gb/s PDM-OFDM-16QAM Signals with 12.5-GHz Channel Spacing Employing EDFA only Amplification,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), OTu2A.2.

P. J. Winzer, A. H. Gnauck, S. Chandrasekhar, S. Draving, J. Evangelista, and B. Zhu, “Generation and 1,200-km transmission of 448-Gb/s ETDM 56-Gbaud PDM 16-QAM using a single I/Q modulator,” in Proceedings of ECOC 2010, ECOC 2010, (19–23 Sept. 2010), PD2.2.

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Figures (7)

Fig. 1
Fig. 1

Transmitter setup schematic.

Fig. 2
Fig. 2

FEC waterfall (left) and receiver DSP schematic (right).

Fig. 3
Fig. 3

Noise loaded back-to-back performance at 5.2 bits/s/Hz SE.

Fig. 4
Fig. 4

Circulating loop setup for transmission experiments.

Fig. 5
Fig. 5

Transmission performance at 1,550 nm. The inset shows the recovered constellation after 6,860 km.

Fig. 6
Fig. 6

Equalized receive OSNR and received spectrum after 6,860 km.

Fig. 7
Fig. 7

Performance at 5.2 bits/s/Hz SE after 6,860 km. The inset shows Q-factor fluctuation distributions for separate and combined polarization tributary processing.

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