Effect of bi-directional excitation and external feedback on the mode structure of distributed-feedback lasers

Jerry Yeung; Anirban Sarkar; Markus Pollnau

doi:10.1117/12.2621959

25 May 2022 Effect of bi-directional excitation and external feedback on the mode structure of distributed-feedback lasers

Jerry Yeung, Anirban Sarkar, Markus Pollnau

Author Affiliations +

Proceedings Volume 12142, Fiber Lasers and Glass Photonics: Materials through Applications III; 121420Y (2022) https://doi.org/10.1117/12.2621959
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

Rare-earth-doped solid-state lasers utilize distributed-feedback (DFB) resonators to generate ultra-narrow-linewidth emission down to a few kHz. The longitudinal modes of a single Fabry-Pérot and a DFB resonator are influenced by the structure, the optical excitation configuration, and external feedback, as has been observed experimentally. Here we investigate the influence of bi-directional launching of light and external feedback on the longitudinal modes of single Fabry-Pérot, double Fabry-Pérot, and DFB resonators. These results can be exploited for the technological advancement of DFB lasers.

Conference Presentation

Citation Download Citation

Jerry Yeung, Anirban Sarkar, and Markus Pollnau "Effect of bi-directional excitation and external feedback on the mode structure of distributed-feedback lasers", Proc. SPIE 12142, Fiber Lasers and Glass Photonics: Materials through Applications III, 121420Y (25 May 2022); https://doi.org/10.1117/12.2621959

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