Dispersion of nonlinear optical susceptibility of GaAs/AlxGa1−xAs multiple quantum wells in the exciton region
- 15 September 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 42 (8), 5117-5119
- https://doi.org/10.1103/physrevb.42.5117
Abstract
The dispersion of (2ω) by the refelction of incident light from GaAs/ As multiple quantum wells at room temperature with wavelength between 8000 and 9000 Å has been measured. The nonlinear susceptibility ‖(2ω)‖ shows two pronounced peaks at 8436 and 8490 Å. It is suggested that one peak corresponds to the light-hole-exciton absorption and the other to the heavy-hole-exciton absorption.
Keywords
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