Nonlinear analysis of distributed-feedback laser with complex coupling coefficient

Pawel Szczepanski; Piotr Weglik

doi:10.1117/12.203316

1 March 1995 Nonlinear analysis of distributed-feedback laser with complex coupling coefficient

Pawel Szczepanski, Piotr Weglik

Author Affiliations +

Proceedings Volume 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing; (1995) https://doi.org/10.1117/12.203316
Event: Laser Technology: Fourth Symposium, 1993, Szczecin, Poland

Abstract

An approximate analysis of the nonlinear operation of the DFB laser with complex coupling coefficient is presented. An expression relating the small signal gain to the output power and structure parameters including the spatial hole burning effect is obtained. The effect of the gain grating, the loss grating, and the coupling via the higher Bragg order grating is discussed. It is shown that the effect of the `negative' gain is possible. This effect depends on the output power level, the distributed loss level, and the spatial hole burning effect.

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Pawel Szczepanski and Piotr Weglik "Nonlinear analysis of distributed-feedback laser with complex coupling coefficient", Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); https://doi.org/10.1117/12.203316

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