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Controlling the performance of GaAs–AlGaAs quantum-cascade lasers via barrier height modifications

✍ Scribed by L. R. Wilson; P. T. Keightley; J. W. Cockburn; M. S. Skolnick; J. C. Clark; R. Grey; G. Hill

Book ID
126268752
Publisher
American Institute of Physics
Year
2000
Tongue
English
Weight
346 KB
Volume
76
Category
Article
ISSN
0003-6951

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We present an approach of uniformly changing the barrier height of AlGaAs in GaAs/AlGaAs based Terahertz (THz) quantum cascade laser structures for tuning the emission wavelengths. By uniformly changing the aluminum content of all the barriers from 15.5% to 13.5% -in a set of 5 MBE-grown samplesemis