10 March 2016 A serially-connected two-chip VECSEL for dual-wavelength emission with high intracavity power
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We present a serially-connected two-chip vertical-external-cavity surface-emitting laser design, which generates dual wavelength emission with a wavelength separation of 10 nm and over 600 W intracavity power. Intracavity type-I second-harmonic generation and sum-frequency generation have been performed in a LiNbO3 crystal. By employing different chip-combinations as well as birefringent filters, the laser is able to generate high-power emission with two wavelengths, which exhibit the same polarization and a desirable wavelength separation. Furthermore, the dependence of the emission wavelength on the cavity angle on the VECSEL chip is highlighted, which provides an additional means of wavelength tuning in VECSELs.
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Fan Zhang, Mahmoud Gaafar, Christoph Möller, Wolfgang Stolz, Martin Koch, Arash Rahimi-Iman, "A serially-connected two-chip VECSEL for dual-wavelength emission with high intracavity power", Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 973414 (10 March 2016); doi: 10.1117/12.2211607; https://doi.org/10.1117/12.2211607


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