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Terahertz quantum cascade laser based on LO-phonon-scattering assisted depopulation

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5 Author(s)
Williams, B.S. ; Dept. of Electr. & Comput. Eng., Massachusetts Inst. of Technol., Cambridge, MA, UK ; Callebaut, Hans ; Kumar, Sushil ; Hu, Qing
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We report the development of a quantum cascade laser at the longest wavelength to date, /spl lambda/=87.2 m (3.44 THz), that uses longitudinal-optical phonon scattering for electron depopulation. Operating in pulsed mode, lasing is obtained up to sixty-four Kelvin.

Published in:

Lasers and Electro-Optics, 2003. CLEO '03. Conference on

Date of Conference:

6-6 June 2003