Femtosecond pump-probe studies of carrier transport and gain dynamics in quantum cascade lasers
- Choi, Hyunyong
- Diehl, Laurent
- Giovannini, Marcella
- Faist, Jérôme
- Capasso, Federico
- Norris, Theodore B.
Publication date
January 2008
DOI Publisher
Wiley ISSN
1610-1634 Journal
physica status solidi (c) Language
English Citation count (estimate)
2Abstract
Time-resolved pump-probe differential transmission measurements have been performed on various sets of quantum cascade lasers below and above threshold. Bias-, temperature-, and polarization dependent studies enable a comprehensive understanding of the gain dynamics to be possible in terms of tunneling, transport, and coupling with the intra-cavity photon density. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/57927/1/225_ftp.pd
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