Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme

Selwan K. Ibrahim; Stylianos Sygletos; Danish Rafique; John A. O'Dowd; Ruwan Weerasuriya; Andrew D. Ellis

doi:10.1364/OE.19.009445

Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme

Selwan K. Ibrahim, Stylianos Sygletos, Danish Rafique, John A. O'Dowd, Ruwan Weerasuriya, Andrew D. Ellis

Research output: Contribution to journal › Article › peer-review

Abstract

We experimentally demonstrate a novel synchronous 10.66Gbit/s DPSK OEO regenerator which uses a feed-forward carrier extraction scheme with an injection-locked laser to synchronize the regenerated signal wavelength to the incoming signal wavelength. After injection-locking, a low-cost DFB laser used at the regenerator exhibited the same linewidth characteristics as the narrow line-width transmitter laser. The phase regeneration properties of the regenerator were evaluated by emulating random Gaussian phase noise applied to the DPSK signal before the regenerator using a phase modulator driven by an arbitrary waveform generator. The overall performance was evaluated in terms of electrical eye-diagrams, BER measurements, and constellation diagrams.

Original language	English
Pages (from-to)	9445-9452
Number of pages	8
Journal	Optics Express
Volume	19
Issue number	10
DOIs	https://doi.org/10.1364/OE.19.009445
Publication status	Published - 9 May 2011

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.19.009445. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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10.1364/OE.19.009445

Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme
© 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.19.009445. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Cite this

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abstract = "We experimentally demonstrate a novel synchronous 10.66Gbit/s DPSK OEO regenerator which uses a feed-forward carrier extraction scheme with an injection-locked laser to synchronize the regenerated signal wavelength to the incoming signal wavelength. After injection-locking, a low-cost DFB laser used at the regenerator exhibited the same linewidth characteristics as the narrow line-width transmitter laser. The phase regeneration properties of the regenerator were evaluated by emulating random Gaussian phase noise applied to the DPSK signal before the regenerator using a phase modulator driven by an arbitrary waveform generator. The overall performance was evaluated in terms of electrical eye-diagrams, BER measurements, and constellation diagrams.",

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AU - Weerasuriya, Ruwan

AU - Ellis, Andrew D.

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Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme

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