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Harmonic content and relaxation resonant frequency of a modulated laser diode
, Article Scientia Iranica ; Volume 16, Issue 2 D , 2009 , Pages 145-156 ; 10263098 (ISSN) ; Bavafa, M ; Chamanzar, M. R ; Khorasani, S ; Sharif University of Technology
2009
Abstract
In this paper, an analysis of the harmonic contents of the optical output power for an in-plane single mode laser diode is performed, and the results are described in detail. In the first step, the absolute value of power for each harmonic is obtained in terms of various laser diode parameters, and the variations of external parameters, such as modulation current, bias current and frequency, are discussed. The analysis is done by direct solution of the rate equations of an arbitrary laser diode for carrier and photon densities. It is known that the optical power has a nonlinear dependence on frequency, and the maximum optical power of each harmonic is attained in its resonance frequency. The...