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Terahertz quantum-cascade lasers based on a three-well active module

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6 Author(s)
Luo, H. ; Institute for Microstructural Sciences, National Research Council, Ottawa, Ontario K1A 0R6, Canada ; Laframboise, S.R. ; Wasilewski, Z.R. ; Aers, G.C.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2437071 

The authors report on a design of terahertz quantum-cascade lasers based on three-well active modules. Each module consists of two tunnel-coupled wells for the two lasing states and another well for both resonant-phonon depopulation and carrier injection. This design is the simplest so far among the various published working devices. The test device has a lasing frequency of 3.4 THz and maximum operating temperature of 142 K.

Published in:
Applied Physics Letters  (Volume:90 ,  Issue: 4 )

Date of Publication: Jan 2007

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