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Proceedings Paper

Nonlinear analysis of distributed-feedback laser with complex coupling coefficient
Author(s): Pawel Szczepanski; Piotr Weglik
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Paper 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.

Paper Details

Date Published: 1 March 1995
PDF: 5 pages
Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); doi: 10.1117/12.203316
Show Author Affiliations
Pawel Szczepanski, Warsaw Univ. of Technology (Poland)
Piotr Weglik, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 2202:
Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing
Wieslaw L. Wolinski; Zdzislaw Jankiewicz; Jerzy K. Gajda; Bohdan K. Wolczak, Editor(s)

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