Very high wall plug efficiency of quantum cascade lasers

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

doi:10.1117/12.855650

22 January 2010 Very high wall plug efficiency of quantum cascade lasers

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

Proceedings Volume 7608, Quantum Sensing and Nanophotonic Devices VII; 76080F (2010) https://doi.org/10.1117/12.855650
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

We demonstrate very high wall plug efficiency (WPE) of mid-infrared quantum cascade lasers (QCLs) in low temperature pulsed mode operation (53%), room temperature pulsed mode operation (23%), and room temperature continuous wave operation (18%). All of these values are the highest to date for any QCLs. The optimization of WPE takes the route of understanding the limiting factors of each sub-efficiency, exploring new designs to overcome the limiting factor, and constantly improving the material quality.

Citation Download Citation

Y. Bai, S. Slivken, S. R. Darvish, and M. Razeghi "Very high wall plug efficiency of quantum cascade lasers", Proc. SPIE 7608, Quantum Sensing and Nanophotonic Devices VII, 76080F (22 January 2010); https://doi.org/10.1117/12.855650

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