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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4797–4800

Gain-switched multicarrier transmitter in a long-reach UDWDM PON with a digital coherent receiver

Prince M. Anandarajah, Rui Zhou, Robert Maher, Domaniç Lavery, Milen Paskov, Benn Thomsen, Seb Savory, and Liam P. Barry  »View Author Affiliations


Optics Letters, Vol. 38, Issue 22, pp. 4797-4800 (2013)
http://dx.doi.org/10.1364/OL.38.004797


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Abstract

The authors report on the downlink performance of a 10Gb/s long-reach and ultra-dense wavelength-division multiplexed passive optical network, based on a multicarrier transmitter realized by using an externally injected gain-switched distributed-feedback laser diode. Each of the comb channels, spaced by 10 GHz, is modulated with a 3 Gbaud dual polarization quadrature phase shift keying signal that included a 20% overhead for forward error correction. Frequency selectivity and enhanced receiver sensitivity is achieved by employing a digital coherent receiver to receive the signal. Experimental results achieved in a back-to-back and 100 km transmission scenarios show an excellent worst case receiver sensitivity of 44dBm.

© 2013 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 19, 2013
Revised Manuscript: August 30, 2013
Manuscript Accepted: October 13, 2013
Published: November 13, 2013

Citation
Prince M. Anandarajah, Rui Zhou, Robert Maher, Domaniç Lavery, Milen Paskov, Benn Thomsen, Seb Savory, and Liam P. Barry, "Gain-switched multicarrier transmitter in a long-reach UDWDM PON with a digital coherent receiver," Opt. Lett. 38, 4797-4800 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-22-4797


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