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a_494967 Gain spectra and temperature characteristics of quantum cascade lasers
- Gorfinkel, V.; Luryi, S.; Gelmont, B.
Editor(s): Ryzhii, V., Hamaguchi, C., Mitin, V., Ershov, M.
Dept. of Electr. Eng., State Univ. of New York, Stony Brook, NY, USA
This paper appears in: Physics and Computer Modeling of Devices Based on Low-Dimensional Structures, 1995. Proceedings., International Workshop on
On page(s): 94 - 104
7-9 Nov. 1995
Aizu-Wakamatsu, Japan
ISBN: 0-8186-7321-4
Number of Pages: vii+147
References Cited: 10
INSPEC Accession Number: 5297498
We have developed a theory describing the operation of lasers based on intersubband transitions in a quantum well. The theory combines a first-principles description of the intersubband lineshape and the optical gain with kinetic models for carrier heating. The theory is consistent with the experimental data available and suggests new ways of improving the laser design for room-temperature high-power operation.
Index Terms:
quantum well lasers; laser theory; gain spectra; temperature characteristics; quantum cascade lasers; intersubband transitions; quantum well; intersubband lineshape; optical gain; kinetic models; carrier heating; room-temperature high-power operation

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