ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||7|
|Section||Passive Components (5)|
|Published online||27 November 2019|
Diffraction mode selection in planar lasers with Bragg resonators
1 Institute of Applied Physics RAS, 46 Ul'yanov St, 603950, Nizhny Novgorod, Russia
2 Lobachevsky State University, 23 Gagarin Av., 603950, Nizhny Novgorod, Russia
* Corresponding author: email@example.com
Using the coupled-wave approach supplemented by the quasioptical approximation, we investigate the possibilities of diffraction mode selection with respect to the transverse index in planar distributed-feedback lasers. Quality factors and spatial structures of planar Bragg resonators with finite width and length of the corrugate area were found. Allowable values of the Fresnel parameter were determined at which the diffraction losses at the resonator edges lead to effective discrimination of modes with large numbers of transverse variations and thus provide conditions for the onset of a stationary single-mode laser generation regime.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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