Current status and potential of high-power mid-infrared intersubband lasers

S. Slivken; Y. Bai; B. Gokden; S. R. Darvish; M. Razeghi

doi:10.1117/12.842637

22 January 2010 Current status and potential of high-power mid-infrared intersubband lasers

S. Slivken, Y. Bai, B. Gokden, S. R. Darvish, M. Razeghi

Proceedings Volume 7608, Quantum Sensing and Nanophotonic Devices VII; 76080B (2010) https://doi.org/10.1117/12.842637
Event: SPIE OPTO, 2010, San Francisco, California, United States

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%.

Citation Download Citation

S. Slivken, Y. Bai, B. Gokden, S. R. Darvish, and M. Razeghi "Current status and potential of high-power mid-infrared intersubband lasers", Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 76080B (22 January 2010); https://doi.org/10.1117/12.842637

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