Adderley B M, Morrison I, Jaros M
Opt Lett. 1991 Dec 15;16(24):1927-9. doi: 10.1364/ol.16.001927.
We report a full-scale calculation of the third-order susceptibility, X((3)), in GaAs-AlAs superlattices. We present the frequency dependence of X((3)) and find a favorable figure of merit for near-resonant enhancement of X((3)).