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Intersubband transitions in InAs/GaSb semi-metallic superlattices

Abstract:

Magnetic field orientated parallel to the superlattice layers enables intersubband absorption to occur for normally incident light. We investigate semi-metallic InAs/GaSb superlattices in this configuration, presenting data over a wide range of InAs well widths. For narrow wells, the reduced absorption coefficient means that an alternative waveguide configuration, where the light makes about 4 or 5 passes through the sample is used. In this second configuration we see further activation of th...

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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:
345-348
Publication date:
1998-07-05
DOI:
ISSN:
1386-9477
URN:
uuid:72c3ecff-162c-4860-8836-601f488c2440
Source identifiers:
26228
Local pid:
pubs:26228

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