Demonstration of flat-band image transmission in optically induced Lieb photonic lattices

被引：133

作者：

Xia, Shiqiang ^{[1
,2
]}

Hu, Yi ^{[1
,2
]}

Song, Daohong ^{[1
,2
]}

Zong, Yuanyuan ^{[1
,2
]}

Tang, Liqin ^{[1
,2
]}

Chen, Zhigang ^{[1
,2
,3
]}

机构：

[1] Nankai Univ, TEDA Appl Phys Inst, MOE Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China

[2] Nankai Univ, Sch Phys, Tianjin 300457, Peoples R China

[3] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA

来源：

OPTICS LETTERS | 2016年 / 41卷 / 07期

基金：

中国国家自然科学基金;

关键词：

DISCRETE SOLITONS; HUBBARD-MODEL;

D O I：

10.1364/OL.41.001435

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a simple, yet effective, approach for optical induction of Lieb photonic lattices, which typically rely on the femtosecond laser writing technique. Such lattices are established by judiciously overlapping two sublattices (an "egg-crate" lattice and a square lattice) with different periodicities through a self-defocusing photorefractive medium. Furthermore, taking advantage of the superposition of localized flat-band states inherent in the Lieb lattices, we demonstrate distortion-free image transmission in such two-dimensional perovskite-like photonic structures. Our experimental observations find good agreement with numerical simulations. (C) 2016 Optical Society of America

引用

页码：1435 / 1438

页数：4

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