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.
Original language | English |
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Pages (from-to) | 2889-2891 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 58 |
Issue number | 25 |
Publication status | Published - 24 Jun 1991 |