Microlensed microchip VECSEL

Tools

Laurand, Nicolas and Lee, Chee Leong and Gu, Erdan and Hastie, Jennifer and Calvez, Stephane and Dawson, Martin (2007) Microlensed microchip VECSEL. Optics Express, 15 (15). pp. 9341-9346. ISSN 1094-4087 (http://dx.doi.org/10.1364/OE.15.009341)

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Abstract

We report a 1.055-μm microchip VECSEL array which uses a microlens-patterned diamond both as a heatspreader and as an array of concave output mirrors. This configuration, which is suitable for laser array operation, is here exploited to perform a systematic study of a set of microchip lasers with the same semiconductor structure but different cavity properties. The transverse mode selection of individual VECSELs is found to depend on the mode-matching conditions and on the microlens aperture size. Mode-matched single-device emission in the fundamental mode (M2~1.1) with pump-limited output power of 70 mW is demonstrated.

ORCID iDs

Laurand, Nicolas ORCID logoORCID: https://orcid.org/0000-0003-0486-4300, Lee, Chee Leong, Gu, Erdan ORCID logoORCID: https://orcid.org/0000-0002-7607-9902, Hastie, Jennifer ORCID logoORCID: https://orcid.org/0000-0002-4066-7411, Calvez, Stephane and Dawson, Martin ORCID logoORCID: https://orcid.org/0000-0002-6639-2989;
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