Journal article
Laser Rate Equation Based Filtering for Carrier Recovery in Characterization and Communication
Department of Photonics Engineering, Technical University of Denmark1
Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark2
KTH Royal Institute of Technology3
Quantum and Laser Photonics, Department of Photonics Engineering, Technical University of Denmark4
RISE Research Institutes of Sweden5
Helmut Schmidt Universität6
Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark7
We formulate a semiconductor laser rate equationbased approach to carrier recovery in a Bayesian filtering framework. Filter stability and the effect of model inaccuracies (unknown or un-useable 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.
| Language: | English |
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| Publisher: | IEEE |
| Year: | 2015 |
| Pages: | 3271-3279 |
| ISSN: | 15582213 and 07338724 |
| Types: | Journal article |
| DOI: | 10.1109/JLT.2015.2430373 |
| ORCIDs: | Piels, Molly , Tafur Monroy, Idelfonso , Mørk, Jesper and Zibar, Darko |
