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Published in: Technical Physics 11/2021

11-02-2022 | SOLID STATE ELECTRONICS

Methods for Switching Radiation Polarization in GaAs Laser Diodes

Authors: M. V. Dorokhin, B. N. Zvonkov, P. B. Demina, N. V. Dikareva, A. V. Zdoroveishchev, A. V. Kudrin, O. V. Vikhrova, I. V. Samartsev, S. M. Nekorkin

Published in: Technical Physics | Issue 11/2021

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Abstract

Operation modes of laser structures with controlled polarization of light have been studied and the results of measuring polarization characteristics are presented. The possibility of controlling both the linear and circular polarizations of light with corresponding modification of the laser design is shown. In particular, stable lasing at two orthogonally polarized modes in the near-IR range with the intensity ratio of radiation components ITE/ITM ≈ 4.5 is implemented. The possibility is confirmed of generation of circularly polarized radiation in edge-emitting laser diodes by magnetization of a combined semitransparent mirror with a ferromagnetic CoPt layer deposited on the end face of the laser cavity. The degree of polarization is ±1.25% in the CoPt layer saturation magnetization mode.

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Literature
Metadata
Title
Methods for Switching Radiation Polarization in GaAs Laser Diodes
Authors
M. V. Dorokhin
B. N. Zvonkov
P. B. Demina
N. V. Dikareva
A. V. Zdoroveishchev
A. V. Kudrin
O. V. Vikhrova
I. V. Samartsev
S. M. Nekorkin
Publication date
11-02-2022
Publisher
Pleiades Publishing
Published in
Technical Physics / Issue 11/2021
Print ISSN: 1063-7842
Electronic ISSN: 1090-6525
DOI
https://doi.org/10.1134/S106378422109005X

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