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IEICE TRANSACTIONS on Electronics

LAPAREX-An Automatic Parameter Extraction Program for Gain- and Index-Coupled Distributed Feedback Semiconductor Lasers, and Its Application to Observation of Changing Coupling Coefficients with Currents

Toru NAKURA, Yoshiaki NAKANO

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Summary :

A reliable and automatic parameter extraction technique for DFB lasers is developed. The parameter extraction program which is named "LAPAREX" is able to determine many device parameters from a measured sub-threshold spectrum only, including gain- and index-coupling coefficients, and spatial phases of the grating at front and rear facets. Injection current dependence of coupling coefficients in a gain-coupled DFBlaser is observed, for the first time, by making use of it.

Publication
IEICE TRANSACTIONS on Electronics Vol.E83-C No.3 pp.488-495
Publication Date
2000/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Lasers, Quantum Electronics

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