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Gyrotropic photonic crystal waveguide switches

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4 Author(s)
Wu, Z. ; Department of Physics, Michigan Technological University, Houghton, Michigan 49931, USA ; Levy, M. ; Fratello, V.J. ; Merzlikin, A.M.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3309715 

Functional photonic crystals fabricated in iron garnet films are shown to provide magnetically-controllable optical switching. Transverse-electric and transverse-magnetic stop band separation in conjunction with optical gyrotropy are utilized to selectively block and transmit near-infrared light in waveguide geometries. Geometrical birefringence allows the simultaneous low- and high-birefringence in different modes necessary to create band gap separation and effective magneto-optic gyrotropy in a single device.

Published in:

Applied Physics Letters  (Volume:96 ,  Issue: 5 )