Materials, Photonic Devices, and Sensors

Magnetically manipulable unidirectional self-collimated propagation in two-dimensional ferromagnetic material

[+] Author Affiliations
Qing-bo Li

Huaiyin Normal University, School of Physics and Electronic Electrical Engineering, Huaian Key Laboratory of Information Functional Materials, Yangtze River West Road No. 111, Jiangsu, Huaian 223300, China

Nanjing University, Department of Electronic Sciences and Engineering, Nanjing 210093, China

Ping Zhou, Hui-ling Sun, Shan-shan Li

Huaiyin Normal University, School of Physics and Electronic Electrical Engineering, Huaian Key Laboratory of Information Functional Materials, Yangtze River West Road No. 111, Jiangsu, Huaian 223300, China

Xue-wei Ping

Hohai University, College of Computer and Information Engineering, Nanjing, Jiangsu 211100, China

Opt. Eng. 54(10), 107105 (Oct 15, 2015). doi:10.1117/1.OE.54.10.107105
History: Received April 24, 2015; Accepted August 19, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Qing-bo Li ; Ping Zhou ; Xue-wei Ping ; Hui-ling Sun and Shan-shan Li
"Magnetically manipulable unidirectional self-collimated propagation in two-dimensional ferromagnetic material", Opt. Eng. 54(10), 107105 (Oct 15, 2015). ; http://dx.doi.org/10.1117/1.OE.54.10.107105


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