期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.093903
关键词
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资金
- NSFC [60771013, 61071007, 10774028]
- China 973 program [2011CB922004]
- MOE of China [B06011]
- SMCST [08dj1400302]
- RGC of Hong Kong [600308]
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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