Observation of quincunx-shaped and dipole-like flatband states in photonic rhombic lattices without band-touching

We demonstrate experimentally the existence of compact localized states (CLSs) in a quasi-one-dimensional photonic rhombic lattice in the presence of two distinct refractive-index gradients (i.e., a driven lattice ribbon) acting as external electric fields. Such a lattice is composed of an array of...

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Bibliographic Details
Main Authors: Shiqiang Xia, Carlo Danieli, Wenchao Yan, Denghui Li, Shiqi Xia, Jina Ma, Hai Lu, Daohong Song, Liqin Tang, Sergej Flach, Zhigang Chen
Format: Article
Language:English
Published: AIP Publishing LLC 2020-01-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/1.5131501