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Magnetically manipulable unidirectional self-collimated propagation in two-dimensional ferromagnetic material.
- Source :
-
Optical Engineering . Oct2015, Vol. 54 Issue 10, p107105-1-107105-4. 4p. - Publication Year :
- 2015
-
Abstract
- We present microwave self-collimated properties in two-dimensional ferromagnetic photonic crystals (FPCs) made of an array of ferrite rods. Through utilizing the time reversal symmetry-breaking nature of the FPCs, a technique, i.e., unidirectional self-collimation transmission, can be exhibited near the magnetic surface plasmon resonance and the spin wave resonance by designing the appropriate structure. An incident self-collimated beam can be absorbed completely at a particular bending channel, while an obvious transmission is observed at the symmetrically opposite direction. The working frequency of the unidirectionality can be controlled as well by tuning the external static magnetic field. [ABSTRACT FROM AUTHOR]
- Subjects :
- *FERROMAGNETIC materials
*OPTICAL devices
*OPTICAL engineering
*OPTICS
*ALGORITHMS
Subjects
Details
- Language :
- English
- ISSN :
- 00913286
- Volume :
- 54
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- Optical Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 111431209
- Full Text :
- https://doi.org/10.1117/1.OE.54.10.107105