A single-mode high-power in-well pumped hybrid-MECSEL at 589 nm

Mingyang Zhang; Alexander R. Albrecht; Gar-Wing Truong; Garrett D. Cole; Mansoor Sheik-Bahae

doi:10.1117/12.2649412

17 March 2023 A single-mode high-power in-well pumped hybrid-MECSEL at 589 nm

Mingyang Zhang, Alexander R. Albrecht, Gar-Wing Truong, Garrett D. Cole, Mansoor Sheik-Bahae

Proceedings Volume 12404, Vertical External Cavity Surface Emitting Lasers (VECSELs) XII; 124040A (2023) https://doi.org/10.1117/12.2649412
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

We demonstrate an in-well pumped high-power hybrid MECSEL (H-MECSEL) formed by sandwiching the MQW semiconductor gain membrane between two SiC heat spreaders, one of which is mirrored with a DBR. We obtain 28 W CW output power around 1178 nm with a slope efficiency of 38% using multipass pumping at 1070 nm. Employing intracavity spectral filtering and frequency doubling, we demonstrate single-mode operation with 8 W of output power at 589 nm and a linewidth of ~4 MHz. We demonstrate preliminary (low-power) wavelength stabilization to the Na D2a transition. Work is underway for full power stabilization towards an on-sky demonstration.

Conference Presentation

Citation Download Citation

Mingyang Zhang, Alexander R. Albrecht, Gar-Wing Truong, Garrett D. Cole, and Mansoor Sheik-Bahae "A single-mode high-power in-well pumped hybrid-MECSEL at 589 nm", Proc. SPIE 12404, Vertical External Cavity Surface Emitting Lasers (VECSELs) XII, 124040A (17 March 2023); https://doi.org/10.1117/12.2649412

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