A Novel Phase Sensitive Amplifier Based QPSK Regenerator Without Active Phase-Locking

Niels-Kristian Kjøller, Francesco Da Ros, Kasper Meldgaard Røge, Pengyu Guan, Michael Galili, Leif Katsuo Oxenløwe

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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We propose a novel QPSK regenerator scheme based on phase sensitive amplification of a pre-conditioned signal avoiding active phase-locking. Signal pre-conditioning is demonstrated experimentally with error-free (BER < 10-9) performance for a 10-Gbaud QPSK signal.
Original languageEnglish
Title of host publicationProceedings of IEEE Photonics Conference
Number of pages2
Publication date2015
ISBN (Print)9781479974658
Publication statusPublished - 2015
Event2015 IEEE Photonics Conference - Hyatt Regency Reston, Reston, Virginia, United States
Duration: 4 Oct 20158 Oct 2015


Conference2015 IEEE Photonics Conference
LocationHyatt Regency Reston
CountryUnited States
CityReston, Virginia


  • Optical signal processing
  • Cross phase modulation
  • Phase sensitive amplification

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