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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B452–B461

Mitigation of Rayleigh noise and dispersion in REAM-based WDM-PON using spectrum-shaping codes

Qi Guo and An V. Tran  »View Author Affiliations

Optics Express, Vol. 20, Issue 26, pp. B452-B461 (2012)

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This paper presents a novel technique capable of Rayleigh backscattering (RB) mitigation and chromatic dispersion (CD) compensation for wavelength-division-multiplexed passive optical network (WDM-PON). The reduction of the interference caused by RB and CD in the uplink based on reflective electro-absorption modulator (REAM) is realized by the proposed correlative level (CL) coding. We investigate the RB-induced interferometric crosstalk for different fiber lengths. 10 Gb/s and 20 Gb/s transmissions over 70 km and 35 km fiber are demonstrated using the CL codes of dicode and modified duobinary (MD), respectively. Significant improvement in system resilience to backscattered seed light is verified for both dicode and MD coding. MD-coded signal also exhibits considerable robustness against the effects of CD.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4250) Fiber optics and optical communications : Networks
(010.1350) Atmospheric and oceanic optics : Backscattering

ToC Category:
Access Networks and LAN

Original Manuscript: September 18, 2012
Revised Manuscript: November 2, 2012
Manuscript Accepted: November 8, 2012
Published: December 3, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Qi Guo and An V. Tran, "Mitigation of Rayleigh noise and dispersion in REAM-based WDM-PON using spectrum-shaping codes," Opt. Express 20, B452-B461 (2012)

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