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

科研成果: 期刊稿件文章同行评审

27 引用 (Scopus)

摘要

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.

源语言英语
文章编号041801
期刊Physical Review A - Atomic, Molecular, and Optical Physics
81
4
DOI
出版状态已出版 - 9 4月 2010

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