9 May 2018 Modeling of a semiconductor laser coupled to an external fiberoptic ring resonator
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Abstract
Self-injection locking, an efficient method to improve the spectral performance of semiconductor lasers without active stabilization, has already demonstrated its high potential for operation with single-longitude-mode fiber lasers urgently demanded by new applications in optical metrology and spectroscopy, coherent optical communications, distributed fiber sensing. The laser operation stability remains to be a crucial issue for such laser applications. Here, we present a theoretical framework for modeling of semiconductor laser coupled to an external fiber-optic ring resonator. The developed approach has shown good qualitative agreement with theoretical predictions and experimental results for particular configuration of a self-injection locked DFB laser delivering narrow-band radiation and particular employed in Brillouin fiber laser configurations. The model is capable of describing the main features of the experimentally measured laser outputs such as laser line narrowing, spectral shape of generated radiation, mode-hoping instabilities and makes possible exploring the key physical mechanisms responsible for the laser operation stability.
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Dmitry A. Korobko, Dmitry A. Korobko, Igor O. Zolotovsky, Igor O. Zolotovsky, Krassimir Panajotov, Krassimir Panajotov, Vasily V. Spirin, Vasily V. Spirin, Andrei A. Fotiadi, Andrei A. Fotiadi, "Modeling of a semiconductor laser coupled to an external fiberoptic ring resonator", Proc. SPIE 10682, Semiconductor Lasers and Laser Dynamics VIII, 106821V (9 May 2018); doi: 10.1117/12.2307217; https://doi.org/10.1117/12.2307217
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