Normal-incidence intersubband absorption in AlGaSb quantum wells: Enhanced oscillator strength and new functionalities using asymmetry

J. M. Jancu, P. Senellart, E. Peter, V. Berger, F. Chevrier, A. Joullié, C. Alibert, O. Krebs, P. Voisin

Research output: Contribution to journalArticlepeer-review

Abstract

The properties of intersubband transitions in L-valley GaAlSb-AlSb quantum wells are reinvestigated using the extended-basis sp3d5s* tight binding model. New functionalities for mid-infrared photodetection, associated with normal incidence and the use of asymmetric quantum wells, are also discussed.

Original languageEnglish
Pages (from-to)381-384
Number of pages4
JournalIEE Proceedings: Optoelectronics
Volume150
Issue number4
DOIs
Publication statusPublished - 1 Aug 2003
Externally publishedYes

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