Published December 22, 1997
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Four-wave mixing mediated by the capture of electrons and holes in semiconductor quantum-well laser amplifiers
Abstract
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.
Additional Information
Copyright © 1997 American Institute of Physics. Received 18 June 1997; accepted 18 October 1997. The authors thank Dr. N. Kwong and Dr. T. Schrans, ORTEL Corp., for the loan of the DFB lasers used in the experiment. This work was supported by ARPA (Contract No. DAAL 01-94-K-03430) and the National Science Foundation (Grant No. ECS-9412862).Files
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