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Incomplete Brillouin-zone spectra and controlled Bragg reflection with ionic-type photonic lattices

  • Peng Zhang
  • , Sheng Liu
  • , Cibo Lou
  • , Fajun Xiao
  • , Xiaosheng Wang
  • , Jianlin Zhao
  • , Jingjun Xu
  • , Zhigang Chen
  • Northwestern Polytechnical University Xian
  • San Francisco State University
  • Nankai University

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

We demonstrate ionic-type photonic lattices consisting of alternating positive and negative lattice potentials akin to those of ionic crystals in solids. A modified geometrical structure factor is developed for describing Bragg scattering in these non-Bravais photonic lattices. We show that lattice reconfiguration leads to incomplete Brillouin zone spectra due to selective band-gap closures. Experimentally, incomplete Brillouin zone spectra and associated Bragg-reflection suppression are observed in such ionic-type lattices optically induced in a bulk nonlinear crystal. Our experimental results agree well with our theoretical analysis.

Original languageEnglish
Article number041801
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume81
Issue number4
DOIs
StatePublished - 9 Apr 2010

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