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Hot phonons and non-thermal carrier states in GaN

Abstract:

Non-thermal carrier states at early times are studied using femtosecond pump-probe spectroscopy in GaN. After the residual chirp on the continuum probe is removed, the normalized difference spectra (NDS) for different probe energies are synchronized, recovering the full time resolution of our laser pulse (120 fs). Our Monte-Carlo simulation agree well with the unchirped NDS spectrum, which shows the development of the carrier distribution at early times, where phonon satellites are seen, toge...

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Authors


Taylor, RA More by this author
O'Sullivan, ED More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Journal:
Physica B: Condensed Matter
Volume:
314
Issue:
1-4
Pages:
30-34
Publication date:
2002-03-05
DOI:
ISSN:
0921-4526
URN:
uuid:900eaa4f-45e3-4838-9c9a-21bae5023117
Source identifiers:
134718
Local pid:
pubs:134718
Language:
English
Keywords:

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