Instantaneous frequency dynamics of coherent wave mixing in semiconductor quantum wells
- 24 May 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (21) , 3307-3310
- https://doi.org/10.1103/physrevlett.70.3307
Abstract
Using a combination of interferometric-correlation and time-resolved intensity measurement techniques, we characterize the phase and amplitude of the coherent emission of semiconductor quantum wells resonantly excited by ultrashort optical pulses. We demonstrate that exciton-exciton interaction produces nonlinear phase shifts of the instantaneous frequency relative to the incident laser.Keywords
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