High power chip-scale laser

Antman, Yair; Gil-Molina, Andres; Westreich, Ohad; Ji, Xingchen; Gaeta, Alexander L.; Lipson, Michal

doi:10.1364/OE.528864

Title: High power chip-scale laser

Journal Article · 11 December 2024 · Optics Express

DOI: https://doi.org/10.1364/OE.528864 · OSTI ID:2481144

Antman, Yair;

;

; Lipson, Michal

The lack of high-power integrated lasers has been limiting silicon photonics. Despite much progress in chip-scale laser integration, power output remains below levels required for key applications due to low energy efficiency at high pumping currents. Here we break this power limitation by coupling a broad-area multimode gain chip to a silicon-nitride ring resonator and single-mode filter. The resulting optical feedback causes the multimode-gain chip to concentrate its power into a single highly coherent mode. Our device produces more than 150 mW of power and 400 kHz linewidth. We achieve these metrics while maintaining a small footprint of 3 mm ² .

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Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Grant/Contract Number:: AR0000843

OSTI ID:: 2481144

Journal Information:: Optics Express, Journal Name: Optics Express Journal Issue: 26 Vol. 32; ISSN 1094-4087; ISSN OPEXFF

Publisher:: Optical Society of AmericaCopyright Statement

Country of Publication:: United States

Language:: English

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