We demonstrated extraordinary THz transmission through ring apertures on metal film. Transmission of 60% was obtained with an aperture-to-area ratio of only 1.4%. Silicon-based electro-optic switch for THz waves can be built with this structure.
© 2011 OSA
J. Shu, C. Qiu, V. Astley, D. Nickel, D. Mittleman, and Q. Xu, "Resonant Transmission of Ring Aperture for Switching Terahertz Waves," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CWA3.
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