Phase synchronization scheme for a practical phase sensitive amplifier of ASK-NRZ signals

We present a phase locking scheme that enables the demonstration of a practical dual pump degenerate phase sensitive amplifier for 10 Gbit/s non-return to zero amplitude shift keying signals. The scheme makes use of cascaded Mach Zehnder modulators for creating the pump frequencies as well as of inj...

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Bibliographic Details
Published inOptics express Vol. 19; no. 13; pp. 12384 - 12391
Main Authors Sygletos, Stylianos, Ibrahim, Selwan K, Weerasuriya, Ruwan, Phelan, Richard, Nielsen, L Grüner, Bogris, Adonis, Syvridis, Dimitris, O'Gorman, James, Ellis, Andrew D
Format Journal Article
LanguageEnglish
Published United States 20.06.2011
Subjects
Amplifiers, Electronic
Equipment Design
Lasers
Optics and Photonics - instrumentation
Optics and Photonics - methods
Signal Processing, Computer-Assisted - instrumentation
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Summary:We present a phase locking scheme that enables the demonstration of a practical dual pump degenerate phase sensitive amplifier for 10 Gbit/s non-return to zero amplitude shift keying signals. The scheme makes use of cascaded Mach Zehnder modulators for creating the pump frequencies as well as of injection locking for extracting the signal carrier and synchronizing the local lasers. An in depth optimization study has been performed, based on measured error rate performance, and the main degradation factors have been identified.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.19.012384