Spectral characteristics of DFB lasers in the presence of a semiconductor optical amplifier

Alain Champagne; Jerome Camel; Romain Maciejko; Keith J. Kasunic; David M. Adams; Bjarne Tromborg

doi:10.1117/12.474328

17 February 2003 Spectral characteristics of DFB lasers in presence of a semiconductor optical amplifier

Alain Champagne, Jerome Camel, Romain Maciejko, Keith J. Kasunic, David M. Adams, Bjarne Tromborg

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.474328
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

The problem of the linewidth degradation in systems using distributed-feedback lasers together with strained-layer multi-quantum-well semiconductor optical amplifiers (SOAs) is examined. A numerical model combining finite element calculations in the transverse x-y plane and a longitudinal model based on the Green's function method is used for that purpose. Simple expressions for the linewidth in the case of AR-coated SOA output facets are derived and simulation results are given in the case of an output facet with a non-vanishing reflectivity. It is found that optimal conditions for a narrow linewidth can be determined.

Citation Download Citation

Alain Champagne, Jerome Camel, Romain Maciejko, Keith J. Kasunic, David M. Adams, and Bjarne Tromborg "Spectral characteristics of DFB lasers in presence of a semiconductor optical amplifier", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.474328

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