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Quantum wire intersubband emitter
Keck, Ingo
, Schmult, Stefan , Wegscheider, Werner, Rother, Martin and Mayer, Andreas P.
(2003)
Quantum wire intersubband emitter.
Phys. Rev. B 67 (12), p. 125312.
Date of publication of this fulltext: 17 Jan 2017 15:44
Article
DOI to cite this document: 10.5283/epub.10945
Abstract
A quantum cascade emitter structure is suggested that is based on electronic transitions in an artificial band structure of coupled quantum wires in contrast to the conventional quantum layer systems. The electron transport is normal to the wires in a GaAs/AlxGa1-xAs heterostructure produced by the cleaved-edge overgrowth method. For a realistic system of this type, the relevant rates of ...
A quantum cascade emitter structure is suggested that is based on electronic transitions in an artificial band structure of coupled quantum wires in contrast to the conventional quantum layer systems. The electron transport is normal to the wires in a GaAs/AlxGa1-xAs heterostructure produced by the cleaved-edge overgrowth method. For a realistic system of this type, the relevant rates of radiative transitions and of nonradiative transitions mediated by longitudinal optical phonons have been calculated and have been compared with corresponding data for quantum cascade emitters based on layered structures.
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| Item type | Article | ||||||||
| Journal or Publication Title | Phys. Rev. B | ||||||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||||||
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| Place of Publication: | COLLEGE PK | ||||||||
| Volume: | 67 | ||||||||
| Number of Issue or Book Chapter: | 12 | ||||||||
| Page Range: | p. 125312 | ||||||||
| Date | 25 March 2003 | ||||||||
| Institutions | Physics > Institute of Theroretical Physics Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider | ||||||||
| Identification Number |
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| Classification |
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| Keywords | ELECTRON-ELECTRON SCATTERING; OPTICAL PHONON-SCATTERING; CASCADE LASERS; WELL WIRES; SEMICONDUCTOR; RELAXATION; EMISSION; TRANSPORT; RATES; | ||||||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||||||
| Status | Published | ||||||||
| Refereed | Yes, this version has been refereed | ||||||||
| Created at the University of Regensburg | Yes | ||||||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-109450 | ||||||||
| Item ID | 10945 |
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