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27 November 2023 Back facet coupled self-injection locking of laser to whispering-gallery-mode microresonator
Ramzil R. Galiev, Nikita M. Kondratiev, Evgeny Lonshakov, Ravi K. Saripalli, Chaouki Kasmi, Steevy J. Cordette
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Proceedings Volume 12761, Semiconductor Lasers and Applications XIII; 1276104 (2023) https://doi.org/10.1117/12.2687661
Event: SPIE/COS Photonics Asia, 2023, Beijing, China
Abstract
Self-injection locking is a dynamic process that passively stabilizes the emission frequency of a laser through resonant optical feedback. In the conventional approach, the laser is self-injection locked to a high-Q microresonator via front facet coupling. However, the front facet power of such lasers is limited by nonlinear effects in the microresonator. In this study, we propose an alternative self-injection locking scheme using a back facet-coupled laser, where the power from the back facet is optimally tuned to avoid nonlinear effects in the microresonator. We develop a model for the proposed scheme and find the optimal states of the scheme.
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Ramzil R. Galiev, Nikita M. Kondratiev, Evgeny Lonshakov, Ravi K. Saripalli, Chaouki Kasmi, and Steevy J. Cordette "Back facet coupled self-injection locking of laser to whispering-gallery-mode microresonator", Proc. SPIE 12761, Semiconductor Lasers and Applications XIII, 1276104 (27 November 2023); https://doi.org/10.1117/12.2687661
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KEYWORDS
Microresonators
Laser stabilization
Laser frequency
Laser applications
Laser optics
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