Novel real-time homodyne coherent receiver using a feed-forward based carrier extraction scheme for phase modulated signals

Selwan K. Ibrahim, Stylianos Sygletos, Ruwan Weerasuriya, Andrew D. Ellis

Research output: Contribution to journalArticle

Abstract

We report a novel real-time homodyne coherent receiver based on a DPSK optical-electrical-optical (OEO) regenerator used to extract a carrier from carrier-less phase modulated signals based on feed-forward based modulation stripping. The performance of this non-DSP based coherent receiver was evaluated for 10.66Gbit/s BPSK signals. Self-homodyne coherent detection and homodyne detection with an injection-locked local oscillator laser was demonstrated. The performance was evaluated by measuring the electrical signal-to-noise (SNR) and recording the eye diagrams. Using injection-locking for the LO improves the performance and enables homodyne detection with optical injection-locking to operate with carrier-less BPSK signals without the need for polarization multiplexed pilot-tones.
Original languageEnglish
Pages (from-to)8320-8326
Number of pages7
JournalOptics Express
Volume19
Issue number9
DOIs
Publication statusPublished - 25 Apr 2011

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receivers
binary phase shift keying
injection locking
regenerators
stripping
recording
diagrams
oscillators
injection
modulation
polarization
lasers

Bibliographical note

© 2011 OSA
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OE.19.008320. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

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Novel real-time homodyne coherent receiver using a feed-forward based carrier extraction scheme for phase modulated signals. / Ibrahim, Selwan K.; Sygletos, Stylianos; Weerasuriya, Ruwan; Ellis, Andrew D.

In: Optics Express, Vol. 19, No. 9, 25.04.2011, p. 8320-8326.

Research output: Contribution to journalArticle

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