Theory of anisotropy of two-photon absorption in zinc-blende semiconductors

D. C. Hutchings, B. S. Wherrett

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93 Citations (Scopus)


The influence of the higher G15c conduction-band set on the strength of the two-photon-absorption coefficient, the two-photon linear/circular dichroism, and the two-photon-absorption anisotropy is calculated across the spectral region below the fundamental absorption edge, for the cubic materials GaAs and InSb. The anisotropy is entirely due to the higher band and is predicted to produce up to a 70% variation in the two-photon-absorption coefficient of GaAs as the relative orientation of the optical polarization to the crystal axes is altered. This is in good agreement with recent experiments. © 1994 The American Physical Society.

Original languageEnglish
Pages (from-to)2418-2426
Number of pages9
JournalPhysical Review B: Condensed Matter
Issue number4
Publication statusPublished - 1994


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