title: Cross-polarization beam coupling in photorefractive GaAs crystals.
abstract: We report theoretical and experimental investigations on the cross-polarization coupling of two contradirectional laser beams in a photorefractive GaAs crystal. There is good agreement between these results.
authors.forename: L J
authors.initials: LJ
authors.lastname: Cheng
authors.forename: P
authors.initials: P
authors.lastname: Yeh