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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 9 — Sep. 1, 2010
  • pp: 844–851

Nonlinear polarization ef fects and mitigation in polarization-division-multiplexed coherent transmission systems (Invited Paper)

Chongjin Xie  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 9, pp. 844-851 (2010)


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Abstract

Using numerical simulations, the nonlinear transmission performance of polarization-division-multiplexed quadrature-phase-shift-keying (PDM-QPSK) coherent systems is studied. It is found that inter-channel cross-polarization modulation (XPolM) induced nonlinear polarization scattering can significantly degrade the transmission performance of PDM-QPSK coherent systems and change the perspective of dispersion management in optical coherent transmission systems. Some techniques to mitigate nonlinear polarization scattering in dispersion-managed PDM coherent transmission systems are discussed, including the use of time-interleaved return-to-zero (RZ) PDM formats, the use of periodic-group-delay PGD dispersion compensators, and the judicious addition of some polarization-mode-dispersion (PMD) in the transmission link. It is shown that if nonlinear polarization scattering can be well mitigated, a polarization multiplexed optical coherent transmission system with dispersion management could perform better than that without it.

© 2010 Chinese Optics Letters

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(260.5430) Physical optics : Polarization

Citation
Chongjin Xie, "Nonlinear polarization ef fects and mitigation in polarization-division-multiplexed coherent transmission systems (Invited Paper)," Chin. Opt. Lett. 8, 844-851 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-9-844

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