Abstract

We report on the performance of 100Gb/s coherent non return-to-zero (NRZ-) polarization division multiplexed (PDM-) quadrature phase shift keying (QPSK) transmission over 16x100km of standard single mode fibre under constraints of typical transparent terrestrial networks, employing Erbium-Doped Fibre Amplifiers. We first evaluate the impact of cross non linear effects onto the performance of 100Gb/s coherent PDM-QPSK signals and we investigate the impact of shifting one of the polarization multiplexed tributaries by half a symbol duration with respect to the other one. Finally we show that this solution is robust against channel-to-channel cross-talk from transparent nodes and does not suffer from performance degradation stemming from co-propagating 40Gb/s channels.

© 2009 Optical Society of America

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References

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  1. C. R. S. Fludger,  et al., "Coherent Equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightwave Technol. 26, 64-72 (2008).
    [CrossRef]
  2. G. Charlet et al, "Transmission of 16.4Tbit/s Capacity over 2,550km using PDM QPSK Modulation Format and Coherent Receiver, " Proc. of OFC, paper PDP3, San Diego, USA (2008).
  3. P. J. Winzer et al, "10x107-Gb/s NRZ-DQPSK transmission at 1.0b/s/Hz over 12x100km including 6 optical routing nodes," Proc. of OFC, paper PDP24, Anaheim, USA (2007).
  4. X. Zhou et al, "8x114-Gb/s, 25GHz spaced, Polmux-RZ-8PSK transmission over 640km of SSMF employing digital coherent detection and EDFA-only amplification," Proc. of OFC, paper PDP1, San Diego, USA (2008).
  5. S. L. Jansen et al, "10x121.9-Gb/s PDM-OFDM transmission with 2b/s/Hz spectral efficiency over 1,000km of SSMF," Proc. of OFC, paper PDP2, San Diego, USA (2008).
  6. D. van den Borne et al, "Coherent Equalization versus Direct Detection for 111-Gb/s Ethernet Transport," Proc. of IEEE/LEOS Summer Topical Meeting on Advanced Digital Signal Processing in Next Generation Fiber, Portland, USA (2007).
  7. J. Renaudier et al, "Long-haul transmission systems involving coherent detection for linear impairments mitigation," Proc. of IEEE/LEOS Summer Topical Meeting on Next Generation Transceiver Technologies for Long Haul Optical Communication, Acapulco, Mexico (2008).
  8. D. N. Godard, "Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems," IEEE Trans. Commun. 28, 1867-1875 (1980).
    [CrossRef]
  9. A. J. Viterbi et al, "Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission," IEEE Trans. Inf. Theory 29, 543-551 (1983).
    [CrossRef]
  10. D. van den Borne et al, "1.6-b/s/Hz Spectrally Efficient Transmission Over1700 km of SSMF using 40x85.6Gb/s POLMUX-RZ-DQPSK," J. Lightwave Technol. 25, 222-232 (2007).
    [CrossRef]
  11. S. Chandrasekhar et al, "Experimental Investigation of System Impairments in Polarization Multiplexed 107-Gb/s RZ-DQPSK," Proc. of OFC, paper OThU7, San Diego, USA (2008).
  12. J. Renaudier et al, "Impact of Temporal Interleaving of Polarization Tributaries onto 100Gb/s coherent transmission systems with RZ Pulse carving," accepted for publication in IEEE Photonics Technology Letters.
  13. A. Carena et al, "Optical vs. electronic chromatic dispersion compensation in WDM coherent PM-QPSK systems at 111Gb/s," Proc. of OFC, paper JThA57, San Diego, USA (2008).

2008 (1)

2007 (1)

1983 (1)

A. J. Viterbi et al, "Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission," IEEE Trans. Inf. Theory 29, 543-551 (1983).
[CrossRef]

1980 (1)

D. N. Godard, "Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems," IEEE Trans. Commun. 28, 1867-1875 (1980).
[CrossRef]

Fludger, C. R. S.

Godard, D. N.

D. N. Godard, "Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems," IEEE Trans. Commun. 28, 1867-1875 (1980).
[CrossRef]

van den Borne, D.

Viterbi, A. J.

A. J. Viterbi et al, "Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission," IEEE Trans. Inf. Theory 29, 543-551 (1983).
[CrossRef]

IEEE Trans. Commun. (1)

D. N. Godard, "Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems," IEEE Trans. Commun. 28, 1867-1875 (1980).
[CrossRef]

IEEE Trans. Inf. Theory (1)

A. J. Viterbi et al, "Nonlinear estimation of PSK-modulated carrier phase with application to burst digital transmission," IEEE Trans. Inf. Theory 29, 543-551 (1983).
[CrossRef]

J. Lightwave Technol. (2)

Other (9)

S. Chandrasekhar et al, "Experimental Investigation of System Impairments in Polarization Multiplexed 107-Gb/s RZ-DQPSK," Proc. of OFC, paper OThU7, San Diego, USA (2008).

J. Renaudier et al, "Impact of Temporal Interleaving of Polarization Tributaries onto 100Gb/s coherent transmission systems with RZ Pulse carving," accepted for publication in IEEE Photonics Technology Letters.

A. Carena et al, "Optical vs. electronic chromatic dispersion compensation in WDM coherent PM-QPSK systems at 111Gb/s," Proc. of OFC, paper JThA57, San Diego, USA (2008).

G. Charlet et al, "Transmission of 16.4Tbit/s Capacity over 2,550km using PDM QPSK Modulation Format and Coherent Receiver, " Proc. of OFC, paper PDP3, San Diego, USA (2008).

P. J. Winzer et al, "10x107-Gb/s NRZ-DQPSK transmission at 1.0b/s/Hz over 12x100km including 6 optical routing nodes," Proc. of OFC, paper PDP24, Anaheim, USA (2007).

X. Zhou et al, "8x114-Gb/s, 25GHz spaced, Polmux-RZ-8PSK transmission over 640km of SSMF employing digital coherent detection and EDFA-only amplification," Proc. of OFC, paper PDP1, San Diego, USA (2008).

S. L. Jansen et al, "10x121.9-Gb/s PDM-OFDM transmission with 2b/s/Hz spectral efficiency over 1,000km of SSMF," Proc. of OFC, paper PDP2, San Diego, USA (2008).

D. van den Borne et al, "Coherent Equalization versus Direct Detection for 111-Gb/s Ethernet Transport," Proc. of IEEE/LEOS Summer Topical Meeting on Advanced Digital Signal Processing in Next Generation Fiber, Portland, USA (2007).

J. Renaudier et al, "Long-haul transmission systems involving coherent detection for linear impairments mitigation," Proc. of IEEE/LEOS Summer Topical Meeting on Next Generation Transceiver Technologies for Long Haul Optical Communication, Acapulco, Mexico (2008).

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Figures (4)

Fig. 1.
Fig. 1.

Experimental transmission set-up.

Fig. 2.
Fig. 2.

Measured performance of 100Gb/s coherent PDM-QSPK in single channel transmission and in WDM transmission with aligned or interleaved polarization tributaries.

Fig. 3.
Fig. 3.

Experimental setup to assess the impact of in-band cross-talk and co-propagating 40Gb/s DPSK channels onto the performance of 100Gb/s coherent PDM-QSPK.

Fig. 4.
Fig. 4.

Measured performance of 100Gb/s coherent PDM-QSPK with in-band cross-talk when surrounded either by other 100Gb/s coherent PDM-QSPK or by 40Gb/s DPSK channels.

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