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Proceedings Paper

Current status and potential of high-power mid-infrared intersubband lasers
Author(s): S. Slivken; Y. Bai; B. Gokden; S. R. Darvish; M. Razeghi
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Paper Abstract

Some of the recent advances in high power quantum cascade laser development will be reviewed in this paper. Research areas explored include short wavelength (λ<4 μm) lasers, high performance strain-balanced heterostructures, and high power long wavelength (7< λ< 16 μm) lasers. Near λ=4.5 μm, highlights include demonstration of 18% continuous wave wallplug efficiency at room temperature, 53% pulsed wallplug efficiency at 40 K, and 120 W of peak power output from a single device at room temperature. Near λ~10 μm, up to 0.6 W of continuous output power at room temperature has also been demonstrated, with pulsed efficiencies up to 9%.

Paper Details

Date Published: 22 January 2010
PDF: 9 pages
Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 76080B (22 January 2010); doi: 10.1117/12.842637
Show Author Affiliations
S. Slivken, Northwestern Univ. (United States)
Y. Bai, Northwestern Univ. (United States)
B. Gokden, Northwestern Univ. (United States)
S. R. Darvish, Northwestern Univ. (United States)
M. Razeghi, Northwestern Univ. (United States)

Published in SPIE Proceedings Vol. 7608:
Quantum Sensing and Nanophotonic Devices VII
Manijeh Razeghi; Rengarajan Sudharsanan; Gail J. Brown, Editor(s)

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