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Intersubband lifetimes in InAs/GaSb superlattices using saturated absorption spectroscopy

Abstract:
We investigate intersubband relaxation rates above the optical phonon energy in a InAs/GaSb superlattice using saturation spectroscopy. A high-intensity free-electron laser tuned to the intersubband transition energy is used to saturate the absorption process revealing picosecond relaxation rates. The effects of the parallel magnetic field and laser energy on the relaxation processes are explored. (C) 1998 Elsevier Science B.V. All rights reserved.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Volume:
2
Issue:
1-4
Pages:
330-333
Publication date:
1998-07-05
DOI:
ISSN:
1386-9477
URN:
uuid:18cc3f9b-de06-4b22-bde9-b93115bae51c
Source identifiers:
9574
Local pid:
pubs:9574

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