title: Raman self-focusing at maximum coherence.
abstract: We demonstrate a type of Raman self-focusing and -defocusing that is inherent in operation at maximum coherence. In this regime the two-photon detuning from the Raman resonance controls the refractive index of the medium.
authors.forename: D R
authors.initials: DR
authors.lastname: Walker
authors.forename: D D
authors.initials: DD
authors.lastname: Yavuz
authors.forename: M Y
authors.initials: MY
authors.lastname: Shverdin
authors.forename: G Y
authors.initials: GY
authors.lastname: Yin
authors.forename: A V
authors.initials: AV
authors.lastname: Sokolov
authors.forename: S E
authors.initials: SE
authors.lastname: Harris