5 March 2018 Mode selection and tuning of single-frequency short-cavity VECSELs
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Abstract
We report on mode selection and tuning properties of vertical-external-cavity surface-emitting lasers (VECSELs) containing coupled semiconductor and external cavities of total length less than 1 mm. Our goal is to create narrowlinewidth (<1MHz) single-frequency VECSELs that operate near 850 nm on a single longitudinal cavity resonance and tune versus temperature without mode hops. We have designed, fabricated, and measured VECSELs with external-cavity lengths ranging from 25 to 800 μm. We compare simulated and measured coupled-cavity mode frequencies and discuss criteria for single mode selection.
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Darwin K. Serkland, Darwin K. Serkland, Haley M. So, Haley M. So, Gregory M. Peake, Gregory M. Peake, Michael G. Wood, Michael G. Wood, Alejandro J. Grine, Alejandro J. Grine, Christopher P. Hains, Christopher P. Hains, Kent M. Geib, Kent M. Geib, Gordon A. Keeler, Gordon A. Keeler, } "Mode selection and tuning of single-frequency short-cavity VECSELs", Proc. SPIE 10552, Vertical-Cavity Surface-Emitting Lasers XXII, 1055206 (5 March 2018); doi: 10.1117/12.2291197; https://doi.org/10.1117/12.2291197
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