title: Four-wave mixing in photorefractive crystals with depleted pumps: an analytical treatment.
abstract: We present an analytical approximative solution of four-wave mixing in photorefractive crystals with depleted pumps for the case of a negative coupling coefficient and then discuss the solution.
authors.forename: J
authors.initials: J
authors.lastname: Goltz
authors.forename: T
authors.initials: T
authors.lastname: Tschudi