Design and fabrication of resonant grating laser mirrors for single-mode emission in microchip lasers

Ratish Rao Nagaraj Rao; Fangfang Li; Marina Fetisova; Théo Courval; Shawn Lapointe; Thomas Kämpfe; Isabelle Verrier; Yves Jourlin; Petri Karvinen; Markku Kuittinen; Jean-François Bisson

doi:10.1117/12.2676381

3 October 2023 Design and fabrication of resonant grating laser mirrors for single-mode emission in microchip lasers

Ratish Rao Nagaraj Rao, Fangfang Li, Marina Fetisova, Théo Courval, Shawn Lapointe, Thomas Kämpfe, Isabelle Verrier, Yves Jourlin, Petri Karvinen, Markku Kuittinen, Jean-François Bisson

Author Affiliations +

Proceedings Volume 12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX; 1265302 (2023) https://doi.org/10.1117/12.2676381
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Two laser mirrors with a Bragg mirrors and diffraction grating were designed to achieve single-mode emission. At normal incidence, the reflected transverse electric (TE) and transverse magnetic (TM) polarized beams exhibit a phase difference near π and, in the case of the output coupler, a difference in the reflected amplitude. Laser mirrors with suitably adjusted di-attenuation and di-retardance can be used to achieve single-mode emission of a microchip laser without additional intracavity elements by canceling axial hole burning and suppressing the undesired competing polarization eigenstate. An integrated microchip laser design is also presented to support the potential of delivering a monolithic and compact solution for single-mode emission.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ratish Rao Nagaraj Rao, Fangfang Li, Marina Fetisova, Théo Courval, Shawn Lapointe, Thomas Kämpfe, Isabelle Verrier, Yves Jourlin, Petri Karvinen, Markku Kuittinen, and Jean-François Bisson "Design and fabrication of resonant grating laser mirrors for single-mode emission in microchip lasers", Proc. SPIE 12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX, 1265302 (3 October 2023); https://doi.org/10.1117/12.2676381

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