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, “10×121.9-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]

Borne, D. van den

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]

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).

Carena, A.

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).

Chandrasekhar, S.

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).

Charlet, G.

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).

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]

Jansen, S.L.

S.L. Jansen et al, “10×121.9-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).

Renaudier, J.

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).

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.

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]

Winzer, P.J.

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).

Zhou, X.

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).

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)

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, “10×121.9-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).

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).

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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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