The effect of multifrequency self-injection locking in the interaction of a semiconductor laser and a high-Q microcavity

Andrey N. Danilin; Nikita M. Kondratiev; Ramzil R. Galiev; Valery E. Lobanov; Igor A. Bilenko

doi:10.1117/12.2643658

27 December 2022 The effect of multifrequency self-injection locking in the interaction of a semiconductor laser and a high-Q microcavity

Andrey N. Danilin, Nikita M. Kondratiev, Ramzil R. Galiev, Valery E. Lobanov, Igor A. Bilenko

Author Affiliations +

Proceedings Volume 12311, Semiconductor Lasers and Applications XII; 123110L (2022) https://doi.org/10.1117/12.2643658
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

We have performed a theoretical study and made an experimental realization of a multi-frequency self-injection locking of an external cavity laser, composed of a gain-chip and an external mirror, to a high-Q-chip-scaled ring microresonator. We use a numerical model based on the rate equation system that accounts for spontaneous emission to describe a semiconductor laser and optical feedback from a high-Q cavity. It allowed us to investigate dynamics of the system and to find out regimes when several locked lines are emerged simultaneously via power redistribution over the frequency domain. Due to the well-known phenomenon of mode competition, the multifrequency regimes appear only when several conditions are met, otherwise only single-frequency locking regimes may occur. The performed experimental investigations have shown that it is possible to achieve such states deterministically if these conditions are fulfilled.

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Andrey N. Danilin, Nikita M. Kondratiev, Ramzil R. Galiev, Valery E. Lobanov, and Igor A. Bilenko "The effect of multifrequency self-injection locking in the interaction of a semiconductor laser and a high-Q microcavity", Proc. SPIE 12311, Semiconductor Lasers and Applications XII, 123110L (27 December 2022); https://doi.org/10.1117/12.2643658

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