Abstract

We transmit 250x100G PDM RZ-16QAM channels with 5.2 b/s/Hz spectral efficiency over 5,530 km using single-stage C-band EDFAs equalized to 40 nm. We use single parity check coded modulation and all channels are decoded with no errors after iterative decoding between a MAP decoder and an LDPC based FEC algorithm. We also observe that the optimum power spectral density is nearly independent of SE, signal baud rate or modulation format in a dispersion uncompensated system.

© 2013 OSA

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  1. A. Sano, T. Kobayashi, S. Yamanaka, A. Matsuura, H. Kawakami, Y. Miyamoto, K. Ishihara, and H. Masuda, “102.3-Tb/s (224 x 548-Gb/s) C- and extended L-band all-Raman transmission over 240 km using PDM-64QAM single carrier FDM with digital pilot tone,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), PDP5C.3.
  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. Zhang, M. Huang, F. Yaman, E. Mateo, D. Qian, Y. Zhang, L. Xu, Y. Shao, I. 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.
  4. M. Mazurczyk, D. G. Foursa, H. G. Batshon, H. Zhang, C. R. Davidson, J.-X. Cai, A. Pilipetskii, G. Mohs, and N. S. Bergano, “30 Tb/s transmission over 6,630 km using 16QAM signals at 6.1 b/s/Hz spectral efficiency,” in Proceedings of ECOC 2012, ECOC 2012, (16–20 Sept. 2012), Th.3.C.2.
  5. O. Sinkin, J.-X. Cai, D. Foursa, H. Zhang, A. Pilipetskii, G. Mohs, and N. S. Bergano, “Scaling of nonlinear impairments in dispersion uncompensated long–haul transmission,” in Proceedings of OFC/NFOEC2012, OTu1A.2.
  6. H. Zhang, J.-X. Cai, H. G. Batshon, C. R. Davidson, Y. Sun, M. Mazurczyk, D. G. Foursa, A. Pilipetskii, G. Mohs, and N. S. Bergano, “16QAM transmission with 5.2 b/s/Hz spectral efficiency over transoceanic distance,” Opt. Express20(11), 11688–11693 (2012).
    [CrossRef]
  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 16QAM 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. C. R. Davidson, C. Chen, M. Nissov, A. Pilipetskii, N. Ramanujam, H. Kidorf, B. Pedersen, M. Mills, C. Lin, I. Hayee, J.-X. Cai, A. Puc, P. Corbett, R. Menges, H. Li, A. Elyamani, C. Rivers, and N. Bergano, “1800 Gb/s transmission of one hundred and eighty 10 Gb/s WDM channels over 7,000 km using the full EDFA C–band,” in Proceedings of OFC 2000, PD25.
  12. P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
    [CrossRef]
  13. G. Bosco, P. Poggiolini, A. Carena, V. Curri, and F. Forghieri, “Analytical results on channel capacity in uncompensated optical links with coherent detection,” in Proceedings of ECOC 2011, ECOC 2011, (18–22 Sept. 2012), We.7.B.3.

2012 (1)

2011 (1)

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

2007 (1)

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]

Batshon, H. G.

Bergano, N. S.

Bosco, G.

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

Cai, J.-X.

Carena, A.

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

Curri, V.

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[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]

Davidson, C. R.

Djordjevic, I. B.

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]

Forghieri, F.

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

Foursa, D. G.

Mazurczyk, M.

Mohs, G.

Pilipetskii, A.

Poggiolini, P.

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

Sun, Y.

Wang, T.

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.

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]

Zhang, H.

IEEE Photon. Technol. Lett. (2)

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]

P. Poggiolini, A. Carena, V. Curri, G. Bosco, and F. Forghieri, “Analytical Modeling of Nonlinear Propagation in Uncompensated Optical Transmission Links,” IEEE Photon. Technol. Lett.23(11), 742–744 (2011).
[CrossRef]

Opt. Express (1)

Other (10)

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 16QAM using a single I/Q modulator,” in Proceedings of ECOC 2010, ECOC 2010, (19–23 Sept. 2010), PD2.2.

G. Bosco, P. Poggiolini, A. Carena, V. Curri, and F. Forghieri, “Analytical results on channel capacity in uncompensated optical links with coherent detection,” in Proceedings of ECOC 2011, ECOC 2011, (18–22 Sept. 2012), We.7.B.3.

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.

C. R. Davidson, C. Chen, M. Nissov, A. Pilipetskii, N. Ramanujam, H. Kidorf, B. Pedersen, M. Mills, C. Lin, I. Hayee, J.-X. Cai, A. Puc, P. Corbett, R. Menges, H. Li, A. Elyamani, C. Rivers, and N. Bergano, “1800 Gb/s transmission of one hundred and eighty 10 Gb/s WDM channels over 7,000 km using the full EDFA C–band,” in Proceedings of OFC 2000, PD25.

A. Sano, T. Kobayashi, S. Yamanaka, A. Matsuura, H. Kawakami, Y. Miyamoto, K. Ishihara, and H. Masuda, “102.3-Tb/s (224 x 548-Gb/s) C- and extended L-band all-Raman transmission over 240 km using PDM-64QAM single carrier FDM with digital pilot tone,” in Proceedings of OFC/NFOEC2012, (4–8 March 2012), PDP5C.3.

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. Zhang, M. Huang, F. Yaman, E. Mateo, D. Qian, Y. Zhang, L. Xu, Y. Shao, I. 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. Mazurczyk, D. G. Foursa, H. G. Batshon, H. Zhang, C. R. Davidson, J.-X. Cai, A. Pilipetskii, G. Mohs, and N. S. Bergano, “30 Tb/s transmission over 6,630 km using 16QAM signals at 6.1 b/s/Hz spectral efficiency,” in Proceedings of ECOC 2012, ECOC 2012, (16–20 Sept. 2012), Th.3.C.2.

O. Sinkin, J.-X. Cai, D. Foursa, H. Zhang, A. Pilipetskii, G. Mohs, and N. S. Bergano, “Scaling of nonlinear impairments in dispersion uncompensated long–haul transmission,” in Proceedings of OFC/NFOEC2012, OTu1A.2.

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Figures (8)

Fig. 1
Fig. 1

Schematic of de-correlated 4 rail PDM RZ-16QAM transmitter.

Fig. 2
Fig. 2

(a) Circulating loop test bed, 128 Gbit/s PDM RZ-16QAM receiver, (b) receiver DSP schematic.

Fig. 3
Fig. 3

Performance vs. transmitter pre emphasis after 5,530 km along with noise loaded back to back of our 16QAM setup at 5.2 b/s/Hz SE.

Fig. 4
Fig. 4

Transmission performance for three channels at nominal power. The inset shows the recovered constellation for Ch125 after 5,530 km.

Fig. 5
Fig. 5

Received OSNR (in 0.1nm RBW) and optical spectrum after 5,530 km.

Fig. 6
Fig. 6

Performance at 5.2 b/s/Hz after 5,530 km.

Fig. 7
Fig. 7

BER after different iterations showing no errors for all channels within 3 iterations.

Fig. 8
Fig. 8

Optimum PSD as a function of SE for 40G / 100G PDM-QPSK, and 100G PDM-16QAM.

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