Dispersion ofin GaAs and GaSb and ofin GaP in the optical region
- 15 October 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 10 (8), 3402-3411
- https://doi.org/10.1103/physrevb.10.3402
Abstract
The second-harmonic optical nonlinear susceptibility of GaP and the sum-frequency nonlinear susceptibility of GaAs and GaSb were measured by the reflected-harmonic method. The sources were a tunable dye laser in the energy range eV, while eV. Large dispersion of the nonlinear susceptibility was found in the vicinity of the transition energy in GaP. The spectra of and Miller's coefficient in GaAs and GaSb were found to be similar to the same quantities in a second-harmonic-generation experiment. The nonlinear susceptibilities were also calculated using a simplified model proposed by Bell.
Keywords
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