Exciton effects on second-order nonlinear susceptibility in a quantum well with an applied electric field
- 15 September 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 42 (8), 5229-5239
- https://doi.org/10.1103/physrevb.42.5229
Abstract
The second-order nonlinear susceptibility in a quantum well with an applied electric field is calculated theoretically with the exciton effects taken into account. All transitions including bound-exciton to bound-exciton states, bound-exciton to continuum-exciton states, and continuum-exciton to continuum-exciton states are included. It is found that the bound- to bound-exciton contribution accounts for only about 25% of the total ‖d(2ω)‖. The major contribution is due to the continuum-state transitions.Keywords
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