title: Optical programmable shifting for data processing.
abstract: A programmable shifter that uses birefringent crystal plates and programmable half-wave plates is described. It can accomplish right, left, right-cyclic, and left-cyclic shifting on the fly.
authors.forename: Y
authors.initials: Y
authors.lastname: Wu
authors.forename: L
authors.initials: L
authors.lastname: Liu
authors.forename: Z
authors.initials: Z
authors.lastname: Wang