Electron localization in quantum cascade heterostructures due to interface roughness

Michael Harter; Yamac Dikmelik; Anthony Hoffman

doi:10.1364/CLEO_SI.2014.STh4G.3

CLEO: 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper STh4G.3
•https://doi.org/10.1364/CLEO_SI.2014.STh4G.3

Electron localization in quantum cascade heterostructures due to interface roughness

Michael Harter, Yamac Dikmelik, and Anthony Hoffman

CLEO: Science and Innovations 2014

San Jose, California United States
8–13 June 2014
ISBN: 978-1-55752-999-2

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Quantum Cascade Lasers II (STh4G)

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M. Harter, Y. Dikmelik, and A. Hoffman, "Electron localization in quantum cascade heterostructures due to interface roughness," in CLEO: 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper STh4G.3.

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Abstract

The localization of electron wavefunctions due to interface roughness in a quantum cascade heterostructures is investigated by observing the electroluminescence spectra. Localization is more prominent in heterostructures with designed extended states.

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