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Proceedings Paper

Dual-wavelength operation in a semiconductor laser with an apodizing holographic grating
Author(s): Jean-Francois Lepage; Nathalie McCarthy
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Paper 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.

Paper Details

Date Published: 8 October 1998
PDF: 8 pages
Proc. SPIE 3415, Laser Diodes and Applications III, (8 October 1998); doi: 10.1117/12.326638
Show Author Affiliations
Jean-Francois Lepage, COPL/Univ. Laval (Canada)
Nathalie McCarthy, COPL/Univ. Laval (Canada)


Published in SPIE Proceedings Vol. 3415:
Laser Diodes and Applications III
Pierre Galarneau, Editor(s)

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