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Time-resolved spectroscopy of non-thermal carrier dynamics in GaN

Abstract:

The dynamics of carriers in GaN epilayers is investigated using femtosecond pump-probe spectroscopy. 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. Our Monte-Carlo simulation agrees well with the unchirped NDS spectrum, which shows the development of the carrier distribution at early times, where phonon satellites are seen, together with a...

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Publisher copy:
10.1016/j.cap.2005.01.038

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Journal:
Current Applied Physics
Volume:
6
Issue:
5
Pages:
909-912
Publication date:
2006-09-05
DOI:
ISSN:
1567-1739
URN:
uuid:788bf19e-cf28-4728-a448-1cc9bee58a69
Source identifiers:
134806
Local pid:
pubs:134806

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