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

Qing-bo Li; Ping Zhou; Xue-wei Ping; Hui-ling Sun; Shan-shan Li

doi:10.1117/1.OE.54.10.107105

15 October 2015 Magnetically manipulable unidirectional self-collimated propagation in two-dimensional ferromagnetic material

Qing-bo Li, Ping Zhou, Xue-wei Ping, Hui-ling Sun, Shan-shan Li

Author Affiliations +

Funded by: Natural Science Foundation, Jiangsu Province College

Optical Engineering, Vol. 54, Issue 10, 107105 (October 2015). https://doi.org/10.1117/1.OE.54.10.107105

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.

Citation Download 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," Optical Engineering 54(10), 107105 (15 October 2015). https://doi.org/10.1117/1.OE.54.10.107105

Published: 15 October 2015

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