Photodiodes for Detecting the Emission of Quantum-Sized Disc Lasers Operating in the Whispering Gallery Modes (2.2–2.3 μm)

Kunitsyna, E. V.; Royz, M. A.; Андреев, И. А.; Grebenshchikova, E. A.; Pivovarova, A. A.; Ahmetoglu, M.; Lebiadok, Ya. V.; Mikulich, R. Y.; Iliinskaya, N. D.; Yakovlev, Yu. P.

doi:10.1134/s1063782620070052

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“…In the work [17] we have demonstrated that GaSb/GaInAsSb/GaAlAsSb photodiodes have sufficiently fast operation speed to detect, without cryogenic cooling, radiation from quantum-well WGM-lasers with a fundamental wavelength modes in the range of 2.2−2.3 µm. However, the measurement of absorption spectra of light molecules in various physical processes by DLS methods requires the use of spectrally matched photodetectors with parameters (sensitivity, operation speed, etc.)…”

Section: Photodetectors Based On Gainassb/gaalassb Heterostructures F...mentioning

confidence: 99%

Photodetectors based on GaInAsSb/GaAlAsSb heterostructures for the practical tasks of precision diode laser spectroscopy

et al. 2022

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The paper considers the uncooled photodetectors based on GaInAsSb/GaAlAsSb heterostructures, which can be applied in precision diode laser spectroscopy. The spectral sensitivity range of photodetectors with a photosensitive area diameter of 1.0 mm and 2.0 mm is 1.0-2.4 μm. The current monochromatic sensitivity at the wavelength of 2.1 μm has a value of 1.0 A/W without bias. The capacity reaches 375 pF with a photosensitive area diameter of 1.0 mm and 800-5000 pF with 2 mm. The modern gas analyzers based on diode lasers and developed photodetectors for medical screening diagnostics by analyzing the gas compositions of exhaled air, for control of impurity gases in the process of rectification of inorganic hydrides, control of methane leaks in gas pipelines, as well as for registration of exhaust gases of a moving car are presented. Keywords: photodetector, heterostructure, diode laser spectroscopy, gas analyzer.

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Section: Photodetectors Based On Gainassb/gaalassb Heterostructures F...mentioning

confidence: 99%

Photodetectors based on GaInAsSb/GaAlAsSb heterostructures for the practical tasks of precision diode laser spectroscopy

et al. 2022

View full text Add to dashboard Cite

show abstract

Photodiodes for Detecting the Emission of Quantum-Sized Disc Lasers Operating in the Whispering Gallery Modes (2.2–2.3 μm)

Cited by 1 publication

References 14 publications

Photodetectors based on GaInAsSb/GaAlAsSb heterostructures for the practical tasks of precision diode laser spectroscopy

Photodetectors based on GaInAsSb/GaAlAsSb heterostructures for the practical tasks of precision diode laser spectroscopy

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