Abstract

This paper reports results of an extensive Monte Carlo simulation analysis on the impact of DP-QPSK pulse shape in high-spectral efficiency WDM transmission at 112 Gb/s per channel. The pulse shapes studied include NRZ, 50% duty cycle RZ and 67% duty cycle RZ. Both symbol-aligned and symbol-interleaved formats are investigated and compared for nonlinear transmission tolerance on common dispersion maps used in terrestrial long-haul systems. The RZ pulse shape shows the greatest improvement in nonlinear tolerance with symbol-interleaving. However, symbol-interleaving only provides significant benefit in optical line systems designed to preserve the pulse shape during transmission, such as systems based on distributed dispersion compensating fiber (DCF). The duty cycle of the RZ pulse has only a minor impact on nonlinear performance, and even systems based on the NRZ pulse shape can gain significant benefit from symbol-interleaving.

© 2010 IEEE

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  1. P. J. Winzer, G. Raybon, H. Song, A. Adamiecki, S. Corteselli, A. H. Gnauck, D. A. Fishman, C. R. Doerr, S. Chandrasekhar, L. L. Buhl, T. J. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).
  2. C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, J. Geyer, E. De Man, G.-D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).
  3. J. Renaudier, O. Bertran-Pardo, G. Charlet, M. Salsi, M. Bertolini, P. Tran, H. Mardoyan, S. Bigo, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical network," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).
  4. V. Curri, P. Poggiolini, A. Carena, F. Forghieri, "Dispersion compensation and mitigation of nonlinear effects in 111-Gb/s WDM coherent PM-QPSK systems," IEEE Photon. Technol. Lett. 20, 1473-1475 (2008).
  5. C. Xie, "Interchannel nonlinearities in coherent polarization-division-multiplexed quadrature-phase-shift-keying systems," IEEE Photon. Technol. Lett. 21, 274-276 (2009).
  6. C. Xie, "WDM coherent PDM-QPSK systems with and without inline optical dispersion compensation," Opt. Exp. 17, 4815-4823 (2009).
  7. J. Renaudier, O. Bertran-Pardo, H. Mardoyan, P. Tran, M. Salsi, G. Charlet, S. Bigo, "Impact of temporal interleaving of polarization tributaries onto 100-Gb/s coherent transmission systems with RZ pulse carving," IEEE Photon. Technol. Lett. 20, 2036-2038 (2008).
  8. O. Bertran-Pardo, J. Renaudier, G. Charlet, M. Salsi, M. Bertolini, H. Mardoyan, P. Tran, C. Koebele, S. Bigo, "PDM-QPSK: On the system benefits arising from temporally interleaving polarization tributaries at 100 Gb/s," Opt. Exp. 17, 19902-19907 (2009).
  9. P. J. Winzer, A. Kalmar, "Sensitivity enhancement of optical receivers by impulsive coding," J. Lightw. Technol. 17, 171-177 (1999).
  10. R. Noé, "PLL-free synchronous QPSK polarization multiplex/diversity receiver concept with digital I&Q baseband processing," IEEE Photon. Technol. Lett. 17, 887-889 (2005).
  11. S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2007).
  12. E. Ip, J. M. Kahn, "Digital equalization of chromatic dispersion and polarization mode dispersion," J. Lightw. Technol. 24, 2033-2043 (2007).
  13. C. Xie, "Dispersion management in WDM coherent PDM-QPSK systems," Proc. ECOC (2009).
  14. M. Pfennigbauer, P. J. Winzer, "Choice of MUX/DEMUX filter characteristics for NRZ, RZ, and CSRZ DWDM systems," J. Lightw. Technol. 24, 1689-1696 (2006).
  15. P. J. Winzer, R.-J. Essiembre, "Advanced optical modulation formats," Proc. IEEE (2006) pp. 952-985.
  16. P. Serena, N. Rossi, A. Bononi, "Nonlinear penalty reduction induced by PMD in 112 Gbit/s WDM PDM-QPSK coherent systems," Proc. ECOC (2009).

2009 (4)

J. Renaudier, O. Bertran-Pardo, G. Charlet, M. Salsi, M. Bertolini, P. Tran, H. Mardoyan, S. Bigo, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical network," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).

C. Xie, "Interchannel nonlinearities in coherent polarization-division-multiplexed quadrature-phase-shift-keying systems," IEEE Photon. Technol. Lett. 21, 274-276 (2009).

C. Xie, "WDM coherent PDM-QPSK systems with and without inline optical dispersion compensation," Opt. Exp. 17, 4815-4823 (2009).

O. Bertran-Pardo, J. Renaudier, G. Charlet, M. Salsi, M. Bertolini, H. Mardoyan, P. Tran, C. Koebele, S. Bigo, "PDM-QPSK: On the system benefits arising from temporally interleaving polarization tributaries at 100 Gb/s," Opt. Exp. 17, 19902-19907 (2009).

2008 (4)

J. Renaudier, O. Bertran-Pardo, H. Mardoyan, P. Tran, M. Salsi, G. Charlet, S. Bigo, "Impact of temporal interleaving of polarization tributaries onto 100-Gb/s coherent transmission systems with RZ pulse carving," IEEE Photon. Technol. Lett. 20, 2036-2038 (2008).

V. Curri, P. Poggiolini, A. Carena, F. Forghieri, "Dispersion compensation and mitigation of nonlinear effects in 111-Gb/s WDM coherent PM-QPSK systems," IEEE Photon. Technol. Lett. 20, 1473-1475 (2008).

P. J. Winzer, G. Raybon, H. Song, A. Adamiecki, S. Corteselli, A. H. Gnauck, D. A. Fishman, C. R. Doerr, S. Chandrasekhar, L. L. Buhl, T. J. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).

C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, J. Geyer, E. De Man, G.-D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

2007 (2)

S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2007).

E. Ip, J. M. Kahn, "Digital equalization of chromatic dispersion and polarization mode dispersion," J. Lightw. Technol. 24, 2033-2043 (2007).

2006 (1)

M. Pfennigbauer, P. J. Winzer, "Choice of MUX/DEMUX filter characteristics for NRZ, RZ, and CSRZ DWDM systems," J. Lightw. Technol. 24, 1689-1696 (2006).

2005 (1)

R. Noé, "PLL-free synchronous QPSK polarization multiplex/diversity receiver concept with digital I&Q baseband processing," IEEE Photon. Technol. Lett. 17, 887-889 (2005).

1999 (1)

P. J. Winzer, A. Kalmar, "Sensitivity enhancement of optical receivers by impulsive coding," J. Lightw. Technol. 17, 171-177 (1999).

IEEE Photon. Technol. Lett. (5)

J. Renaudier, O. Bertran-Pardo, G. Charlet, M. Salsi, M. Bertolini, P. Tran, H. Mardoyan, S. Bigo, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical network," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).

V. Curri, P. Poggiolini, A. Carena, F. Forghieri, "Dispersion compensation and mitigation of nonlinear effects in 111-Gb/s WDM coherent PM-QPSK systems," IEEE Photon. Technol. Lett. 20, 1473-1475 (2008).

C. Xie, "Interchannel nonlinearities in coherent polarization-division-multiplexed quadrature-phase-shift-keying systems," IEEE Photon. Technol. Lett. 21, 274-276 (2009).

J. Renaudier, O. Bertran-Pardo, H. Mardoyan, P. Tran, M. Salsi, G. Charlet, S. Bigo, "Impact of temporal interleaving of polarization tributaries onto 100-Gb/s coherent transmission systems with RZ pulse carving," IEEE Photon. Technol. Lett. 20, 2036-2038 (2008).

R. Noé, "PLL-free synchronous QPSK polarization multiplex/diversity receiver concept with digital I&Q baseband processing," IEEE Photon. Technol. Lett. 17, 887-889 (2005).

J. Lightw. Technol. (5)

E. Ip, J. M. Kahn, "Digital equalization of chromatic dispersion and polarization mode dispersion," J. Lightw. Technol. 24, 2033-2043 (2007).

M. Pfennigbauer, P. J. Winzer, "Choice of MUX/DEMUX filter characteristics for NRZ, RZ, and CSRZ DWDM systems," J. Lightw. Technol. 24, 1689-1696 (2006).

P. J. Winzer, A. Kalmar, "Sensitivity enhancement of optical receivers by impulsive coding," J. Lightw. Technol. 17, 171-177 (1999).

P. J. Winzer, G. Raybon, H. Song, A. Adamiecki, S. Corteselli, A. H. Gnauck, D. A. Fishman, C. R. Doerr, S. Chandrasekhar, L. L. Buhl, T. J. Xia, G. Wellbrock, W. Lee, B. Basch, T. Kawanishi, K. Higuma, Y. Painchaud, "100-Gb/s DQPSK transmission: From laboratory experiments to field trials," J. Lightw. Technol. 26, 3388-3402 (2008).

C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, J. Geyer, E. De Man, G.-D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

Opt. Exp. (3)

O. Bertran-Pardo, J. Renaudier, G. Charlet, M. Salsi, M. Bertolini, H. Mardoyan, P. Tran, C. Koebele, S. Bigo, "PDM-QPSK: On the system benefits arising from temporally interleaving polarization tributaries at 100 Gb/s," Opt. Exp. 17, 19902-19907 (2009).

C. Xie, "WDM coherent PDM-QPSK systems with and without inline optical dispersion compensation," Opt. Exp. 17, 4815-4823 (2009).

S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2007).

Other (3)

C. Xie, "Dispersion management in WDM coherent PDM-QPSK systems," Proc. ECOC (2009).

P. J. Winzer, R.-J. Essiembre, "Advanced optical modulation formats," Proc. IEEE (2006) pp. 952-985.

P. Serena, N. Rossi, A. Bononi, "Nonlinear penalty reduction induced by PMD in 112 Gbit/s WDM PDM-QPSK coherent systems," Proc. ECOC (2009).

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