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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 7 — Jul. 1, 2010
  • pp: 634–638

Coherent optical OFDM scheme with inter-carrier interference self-cancellation and common phase error compensation

Yiling Wu, Juhao Li, Chunxu Zhao, Yuping Zhao, Fan Zhang, and Zhangyuan Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 7, pp. 634-638 (2010)


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Abstract

Schemes integrating inter-carrier interference (ICI) self-cancellation and common phase error (CPE) compensation for coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems are investigated. The purpose of our research is to counteract the impacts of laser phase noise and fiber nonlinearity. We propose two ICI self-cancellation-based CO-OFDM schemes, and adopt a pilot-aided decision feedback (DFB) loop for CPE compensation. The proposed schemes are compared with conventional CO-OFDM schemes at the same spectral efficiency. Simulations show that our schemes can not only enhance laser linewidth tolerance of the CO-OFDM system, but also present strong robustness against fiber nonlinearity.

© 2010 Chinese Optics Letters

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation

Citation
Yiling Wu, Juhao Li, Chunxu Zhao, Yuping Zhao, Fan Zhang, and Zhangyuan Chen, "Coherent optical OFDM scheme with inter-carrier interference self-cancellation and common phase error compensation," Chin. Opt. Lett. 8, 634-638 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-7-634

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