Continuous-wave quantum cascade lasers in the 4- to 10-um wavelength region

Jerome Faist; Federico Capasso; Carlo Sirtori; Deborah L. Sivco; Albert L. Hutchinson; Sung-Nee G. Chu; Alfred Y. Cho

doi:10.1117/12.237657

12 April 1996 Continuous-wave quantum cascade lasers in the 4- to 10-um wavelength region

Jerome Faist, Federico Capasso, Carlo Sirtori, Deborah L. Sivco, Albert L. Hutchinson, Sung-Nee G. Chu, Alfred Y. Cho

Proceedings Volume 2682, Laser Diodes and Applications II; (1996) https://doi.org/10.1117/12.237657
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Continuous wave operation of quantum cascade lasers at lambda on the order of magnitude 4.6 micrometer and 8 micrometer is reported above liquid nitrogen temperature with few miliwatts of optical power. For the devices operating at lambda on the order of 4.6 micrometer, the single mode spectrum is temperature tunable over 1.8 cm^-1. A linewidth of 115 Mhz is measured with a Fabry-Perot on free running devices. Gain measurements show evidence for ultra low linewidth enhancement factor alpha less than 0.1. These devices also operated in pulse mode with 20 mW peak power at 200 K.

Citation Download Citation

Jerome Faist, Federico Capasso, Carlo Sirtori, Deborah L. Sivco, Albert L. Hutchinson, Sung-Nee G. Chu, and Alfred Y. Cho "Continuous-wave quantum cascade lasers in the 4- to 10-um wavelength region", Proc. SPIE 2682, Laser Diodes and Applications II, (12 April 1996); https://doi.org/10.1117/12.237657

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