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Laser Rate Equation-Based Filtering for Carrier Recovery in Characterization and Communication
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Optics and Photonics, OFO.ORCID iD: 0000-0002-8543-4531
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2015 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 33, no 15, 3271-3279 p.Article in journal (Refereed) Published
Abstract [en]

We formulate a semiconductor laser rate equation-based approach to carrier recovery in a Bayesian filtering framework. Filter stability and the effect of model inaccuracies (unknown or unuseable rate equation coefficients) are discussed. Two potential application areas are explored: Laser characterization and carrier recovery in coherent communication. Two rate equation-based Bayesian filters, the particle filter and extended Kalman filter, are used in conjunction with a coherent receiver to measure frequency noise spectrum of a photonic crystal cavity laser with less than 20 nW of fiber-coupled output power. The extended Kalman filter is also used to recover a 28-GBd DP-16 QAM signal where a decision-directed phase-locked loop fails.

Place, publisher, year, edition, pages
2015. Vol. 33, no 15, 3271-3279 p.
Keyword [en]
Coherent communication, diode lasers, optical communication, phase estimation, phase noise, quadrature amplitude modulation, semiconductor lasers
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URN: urn:nbn:se:kth:diva-172685DOI: 10.1109/JLT.2015.2430373ISI: 000358574700016ScopusID: 2-s2.0-84934759688OAI: diva2:850242

QC 20150901

Available from: 2015-09-01 Created: 2015-08-27 Last updated: 2015-09-01Bibliographically approved

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Olmedo, Miguel IglesiasSchatz, RichardJacobsen, GunnarPopov, Sergei
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