Low-power, all-optical nonlinear absorption in asymmetric double quantum wells
- 24 June 1991
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 58 (25) , 2889-2891
- https://doi.org/10.1063/1.104738
Abstract
We demonstrate all-optical nonlinearities at low cw pump powers (50 W/cm2) using a novel heterostructure design which spatially separates photoexcited electron-hole pairs. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra.Keywords
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