Four-wave mixing mediated by the capture of electrons and holes in semiconductor quantum-well laser amplifiers
作者:
Roberto Paiella,
Guido Hunziker,
Kerry J. Vahala,
Uzi Koren,
期刊:
Applied Physics Letters
(AIP Available online 1997)
卷期:
Volume 71,
issue 25
页码: 3601-3603
ISSN:0003-6951
年代: 1997
DOI:10.1063/1.120453
出版商: AIP
数据来源: AIP
摘要:
An experimental technique based on frequency-resolved four-wave mixing is proposed for the investigation of phonon-assisted capture of electrons and holes in electrically pumped semiconductor quantum wells. We show how this technique can be used to directly measure the intrinsic capture lifetime, with no need for involved numerical fits. We also present experimental results from an application of the technique to a multiquantum-well semiconductor optical amplifier. The possible impact of phase matching on the results is discussed. ©1997 American Institute of Physics.
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