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Temperature dependence of the gain profile for terahertz quantum cascade lasers

✍ Scribed by Nelander, Rikard; Wacker, Andreas

Book ID
111982229
Publisher
American Institute of Physics
Year
2008
Tongue
English
Weight
558 KB
Volume
92
Category
Article
ISSN
0003-6951

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Results are presented for two GaAs/AlGaAs quantum cascade laser (QCL) structures that emit at frequencies of 2.59 and 2.75 THz. Both structures have a nominally identical, bound-to-continuum active region design, and the difference between their emission frequencies is interpreted as resulting from