Photoluminescence of GaS–GaSe Heterostructures Upon Two- and Three-Photon Excitation by Laser Radiation

Photoluminescence of GaS–GaSe Heterostructures Upon Two- and Three-Photon Excitation by Laser Radiation

Nonlinear absorption in GaS–GaSe heterostructures under the action of a Nd:YAG laser with built-in generators of the 2nd and 3rd harmonics, designed to generate radiation with wavelengths of 1064, 532, and 335 nm, is experimentally studied. It is shown that the appearance of characteristic radiation...

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Bibliographic Details
Published in:Russian physics journal Vol. 65; no. 9; pp. 1475 - 1481
Main Authors: Salmanov, V. M., Guseinov, A. G., Mamedov, R. M., Ahmedova, F. Sh, Aliyeva, A. M.
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 2023
Springer
Springer Nature B.V
Subjects:
Condensed Matter Physics
Excitation
Hadrons
Heavy Ions
Heterostructures
Lasers
Luminescence
Mathematical and Computational Physics
Neodymium lasers
Nuclear Physics
Optical Devices
Optics
Optoelectronics industry
Photoluminescence
Photon absorption
Photonics
Photons
Physics
Physics and Astronomy
Radiation
Semiconductor lasers
Theoretical
YAG lasers
Nd:YAG laser
photoluminescence
GaS–GaSe heterostructure
three-photon excitation
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Summary:Nonlinear absorption in GaS–GaSe heterostructures under the action of a Nd:YAG laser with built-in generators of the 2nd and 3rd harmonics, designed to generate radiation with wavelengths of 1064, 532, and 335 nm, is experimentally studied. It is shown that the appearance of characteristic radiation in the luminescence spectra and the behavior of the dependence of luminescence on the excitation intensity indicate the presence of two- and three-photon absorption processes in GaS-GaSe heterostructures.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-023-02793-8