Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 22, Issue 18, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/22/18/182201
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Funding
- DOE
- CNKBRSF
- NNSFC
- SSTC [08dj1400302]
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We study the reflection of electromagnetic waves from a two-dimensional magnetic photonic crystal consisting of a periodic array of magnetic cylinders. At some frequencies the reflected wave is found to exhibit a strong circulation in that, locally, the angular momenta of the components are all of the same sign. As a result of this finite circulation, beams incident from different directions exhibit a dramatic change in their reflected waves. This effect can be used to build subwavelength one way waveguides, nearly perfect beam benders and splitters.
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