Analysis of phase-matching conditions for internal second-harmonic generation in InGaAs quantum well laser diodes

M. Frunza; Emil Smeu; Niculae N. Puscas; Ion M. Popescu; Grigore I. Suruceanu

doi:10.1117/12.432886

29 June 2001 Analysis of phase-matching conditions for internal second-harmonic generation in InGaAs quantum well laser diodes

M. Frunza, Emil Smeu, Niculae N. Puscas, Ion M. Popescu, Grigore I. Suruceanu

Author Affiliations +

Proceedings Volume 4430, ROMOPTO 2000: Sixth Conference on Optics; (2001) https://doi.org/10.1117/12.432886
Event: ROMOPTO 2000: Sixth Conference on Optics, 2000, Bucharest, Romania

Abstract

In this paper we present an analysis of the phase-matching conditions for internal second-harmonic generation in InGaAs quantum-well laser diodes in order to enhance the conversion efficiency. We have characterized the role of phase- mismatching in the spectral distribution of the internal second-harmonic generation in the CW operation of these lasers. The emission of pairs of narrow blue-green peaks having perfectly symmetrical spectral positions with respect to the central peak of pure second-harmonic generation at approximately 480 nm is most probably enhanced by a mechanism of reciprocal cancellation of the respective phase-mismatch vectors. This study is important for the assessment of the relationship between the structural parameters of the laser and the conditions which contribute to the stimulation of second-order optical nonlinearities in the laser active region.

Citation Download Citation

M. Frunza, Emil Smeu, Niculae N. Puscas, Ion M. Popescu, and Grigore I. Suruceanu "Analysis of phase-matching conditions for internal second-harmonic generation in InGaAs quantum well laser diodes", Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); https://doi.org/10.1117/12.432886

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