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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 14428–14436

Bandwidth efficient bidirectional 5 Gb/s overlapped-SCM WDM PON with electronic equalization and forward-error correction

Jonathan M. Buset, Ziad A. El-Sahn, and David V. Plant  »View Author Affiliations


Optics Express, Vol. 20, Issue 13, pp. 14428-14436 (2012)
http://dx.doi.org/10.1364/OE.20.014428


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Abstract

We demonstrate an improved overlapped-subcarrier multiplexed (O-SCM) WDM PON architecture transmitting over a single feeder using cost sensitive intensity modulation/direct detection transceivers, data re-modulation and simple electronics. Incorporating electronic equalization and Reed-Solomon forward-error correction codes helps to overcome the bandwidth limitation of a remotely seeded reflective semiconductor optical amplifier (RSOA)-based ONU transmitter. The O-SCM architecture yields greater spectral efficiency and higher bit rates than many other SCM techniques while maintaining resilience to upstream impairments. We demonstrate full-duplex 5 Gb/s transmission over 20 km and analyze BER performance as a function of transmitted and received power. The architecture provides flexibility to network operators by relaxing common design constraints and enabling full-duplex operation at BER ∼ 10−10 over a wide range of OLT launch powers from 3.5 to 8 dBm.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 12, 2012
Revised Manuscript: May 7, 2012
Manuscript Accepted: May 16, 2012
Published: June 13, 2012

Citation
Jonathan M. Buset, Ziad A. El-Sahn, and David V. Plant, "Bandwidth efficient bidirectional 5 Gb/s overlapped-SCM WDM PON with electronic equalization and forward-error correction," Opt. Express 20, 14428-14436 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-13-14428


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