Dual-wavelength operation in a semiconductor laser with an apodizing holographic grating

Jean-Francois Lepage; Nathalie McCarthy

doi:10.1117/12.326638

8 October 1998 Dual-wavelength operation in a semiconductor laser with an apodizing holographic grating

Jean-Francois Lepage, Nathalie McCarthy

Proceedings Volume 3415, Laser Diodes and Applications III; (1998) https://doi.org/10.1117/12.326638
Event: Lasers and Materials in Industry and Opto-Contact Workshop, 1998, Quebec, Canada

Abstract

Broad-area semiconductor lasers naturally emits on several lateral modes even at injection currents very close to the threshold current. An external cavity terminated by an apodizing holographic grating has been used to favor the oscillation of only one longitudinal mode and one lateral mode. It is possible to obtain laser oscillation on two different wavelengths simultaneously by using a grating that contains two grating periods. The fabrication technique of the apodizing holographic grating is explained. The spectrally-resolved near-field intensity distributions are presented.

Citation Download Citation

Jean-Francois Lepage and Nathalie McCarthy "Dual-wavelength operation in a semiconductor laser with an apodizing holographic grating", Proc. SPIE 3415, Laser Diodes and Applications III, (8 October 1998); https://doi.org/10.1117/12.326638

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