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Experimental realization of self-guiding unidirectional electromagnetic edge states.

Authors
  • Poo, Yin
  • Wu, Rui-xin
  • Lin, Zhifang
  • Yang, Yan
  • Chan, C T
Type
Published Article
Journal
Physical Review Letters
Publisher
American Physical Society
Publication Date
Mar 04, 2011
Volume
106
Issue
9
Pages
93903–93903
Identifiers
PMID: 21405623
Source
Medline
License
Unknown

Abstract

We present an experimental demonstration of self-guiding electromagnetic edge states existing along the zigzag edge of a honeycomb magnetic photonic crystal. These edge states are shown to possess unidirectional propagation characteristics that are robust against various types of defects and obstacles. In particular, they allow for the unidirectional transport of electromagnetic energy without requiring an ancillary cladding layer.

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