title: 2D wave-front shaping in optical superlattices using nonlinear volume holography.
abstract: Nonlinear volume holography is employed to realize arbitrary wave-front shaping during nonlinear processes with properly designed 2D optical superlattices. The concept of a nonlinear polarization wave in nonlinear volume holography is investigated. The holographic imaging of irregular patterns was performed using 2D LiTaO3crystals with fundamental wave propagating along the spontaneous polarization direction, and the results agree well with the theoretical predictions. This Letter not only extends the application area of optical superlattices, but also offers an efficient method for wave-front shaping technology.
authors.forename: Bo
authors.initials: B
authors.lastname: Yang
authors.forename: Xu-Hao
authors.initials: XH
authors.lastname: Hong
authors.forename: Rong-Er
authors.initials: RE
authors.lastname: Lu
authors.forename: Yang-Yang
authors.initials: YY
authors.lastname: Yue
authors.forename: Chao
authors.initials: C
authors.lastname: Zhang
authors.forename: Yi-Qiang
authors.initials: YQ
authors.lastname: Qin
authors.forename: Yong-Yuan
authors.initials: YY
authors.lastname: Zhu