Sub-kHz free-running-linewidth monolithic VECSEL

Moriya, PH and Lee, Martin and Hastie, Jennifer; (2023) Sub-kHz free-running-linewidth monolithic VECSEL. In: Advanced Solid State Lasers 2023. Optica Publishing Group, USA. ISBN 9781957171319 (

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We report the development of a monolithic-cavity GaInP/AlGaInP-based VECSEL at 689 nm with sub-kHz free-running linewidth. A locked Allan deviation of 4× 10-13 at 1s averaging time is observed, suitable for quantum technology and metrology applications.