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13 March 2024 Advances in MECSEL technology
Mingyang Zhang, Nathan Giannini-Hutchin, Gar-Wing Truong, Garrett Cole, Alexander Albrecht, Mansoor Sheik-Bahae
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Proceedings Volume PC12868, Vertical External Cavity Surface Emitting Lasers (VECSELs) XIII; PC1286809 (2024) https://doi.org/10.1117/12.3001729
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We will review recent advances in Membrane-External-Cavity Surface-Emitting-Laser (MECSEL) technology, including beam quality, tunability and wafer-scale bonding to SiC heat spreaders. Using a hybrid MECSEL with a DBR bonded to one of the heat spreaders and in-well pumping to reduce the quantum defect, we demonstrate high-power operation at 1178 nm. Using a birefringent filter and etalon, and intra-cavity frequency doubling, we achieve single-longitudinal-mode operation at 589 nm with more than 10 W of power and a linewidth below 8 MHz. Saturated absorption spectroscopy in a sodium cell is used to lock the laser to the D2a transition.
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Mingyang Zhang, Nathan Giannini-Hutchin, Gar-Wing Truong, Garrett Cole, Alexander Albrecht, and Mansoor Sheik-Bahae "Advances in MECSEL technology", Proc. SPIE PC12868, Vertical External Cavity Surface Emitting Lasers (VECSELs) XIII, PC1286809 (13 March 2024); https://doi.org/10.1117/12.3001729
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KEYWORDS
Silicon carbide
Sodium
Mirrors
Optical filters
Semiconductor lasers
Semiconductors
Solids
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