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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 11 — Nov. 1, 2012
  • pp: 110601–110601

Improving nonlinearity tolerance of 112-Gb/s PDM OFDM systems with coherent detection using BLAST algorithm

Yanfei Xu, Yaojun Qiao, and Yuefeng Ji  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 11, pp. 110601-110601 (2012)


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Abstract

The use of Bell Laboratories layered space-time (BLAST) architecture as a digital signal processing algorithm is proposed in this letter. It is aimed at improving the nonlinearity tolerance of a polarization division multiplexing (PDM) coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. The application of this channel estimation algorithm simulates system performance under different dispersion compensation (DC) maps. Simulation results show that, compared with intra-symbol frequency-domain averaging (ISFA) algorithm, at least 5-dB Q-factor improvement is achieved for the PDM CO-OFDM system at 112-Gb/s data rate over an 800-km standard single-mode fiber (SSMF) without DC.

© 2012 Chinese Optics Letters

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.6020) Fourier optics and signal processing : Continuous optical signal processing

ToC Category:
Fiber Optics and Optical Communications

Citation
Yanfei Xu, Yaojun Qiao, and Yuefeng Ji, "Improving nonlinearity tolerance of 112-Gb/s PDM OFDM systems with coherent detection using BLAST algorithm," Chin. Opt. Lett. 10, 110601-110601 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-11-110601

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