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T-shaped waveguides for quantum-wire intersubband lasers

Herrle, Thomas, Schmult, Stefan, Pindl, Markus, Schwarz, Uli and Wegscheider, Werner (2005) T-shaped waveguides for quantum-wire intersubband lasers. Physical Review B 72, 035316.

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We present a T-shaped waveguide for a quantum-wire intersubband laser in the GaAs/AlGaAs heterosystem for the midinfrared spectral region around 8 mm. Such a device is fabricated using the Cleaved Edge Overgrowth (CEO) technique. The suggested waveguide structure is compatible to this growth technique. The confinement factor and the waveguide losses due to free carrier absorption are ...


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Item type:Article
Date:July 2005
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Projects:Graduiertenkolleg Nichtlinearität und Nichtgleichgewicht
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:1632
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