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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 15, Iss. 9 — Apr. 30, 2007
  • pp: 5271–5276

Chromatic dispersion and PMD mitigation at 10 Gb/s using Viterbi equalization for DPSK and DQPSK modulation formats

Wei Chen, Fred Buchali, Xingwen Yi, William Shieh, Jamie S. Evans, and Rodney S. Tucker  »View Author Affiliations


Optics Express, Vol. 15, Issue 9, pp. 5271-5276 (2007)
http://dx.doi.org/10.1364/OE.15.005271


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Abstract

We explore the potential of chromatic dispersion and polarization-mode dispersion (PMD) mitigation using Viterbi equalization in 10 Gb/s nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) and differential quadrature phase-shift keying (NRZ-DQPSK) systems. We show through Monte Carlo simulations that using Viterbi equalization improves the performance of NRZ-OOK, NRZ-DPSK and NRZ-DQPSK receivers. For NRZ-DQPSK receiver with a Viterbi equalizer, the chromatic dispersion tolerance is about 5000 ps/nm and the 1st order PMD tolerance is about 160 ps at 3 dB OSNR penalty.

© 2007 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 24, 2007
Revised Manuscript: March 29, 2007
Manuscript Accepted: April 13, 2007
Published: April 16, 2007

Citation
Wei Chen, Fred Buchali, Xingwen Yi, William Shieh, Jamie S. Evans, and Rodney S. Tucker, "Chromatic dispersion and PMD mitigation at 10 Gb/s using Viterbi equalization for DPSK and DQPSK modulation formats," Opt. Express 15, 5271-5276 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-9-5271


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References

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