Special Section: Selected Papers from the 3rd Mediterranean Conference on Nanophotonics

Enhanced transmission of electromagnetic waves through split-ring resonator-shaped apertures

[+] Author Affiliations
Levent Sahin, Ekmel Ozbay

Bilkent University, Nanotechnology Research Center, Bilkent, 06800, Ankara, Turkeylsahin@bilkent.edu.tr

Bilkent University, Department of Electrical and Electronics Engineering, 06800, Ankara, Turkey

Koray Aydin

Bilkent University, Nanotechnology Research Center, Bilkent, 06800, Ankara, Turkeylsahin@bilkent.edu.tr

California Institute of Technology, Thomas J. Watson Laboratory of Applied Physics, Pasadena, California 91125

Gonul Turhan Sayan

Middle East Technical University, Department of Electrical and Electronics Engineering, 06531, Ankara, Turkey

J. Nanophoton. 5(1), 051812 (June 21, 2011). doi:10.1117/1.3599873
History: Received January 21, 2011; Revised May 23, 2011; Accepted May 24, 2011; Published June 21, 2011; Online June 21, 2011
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The design of aperture shape is a promising approach for enhanced transmission through a subwavelength aperture. We designed split-ring-resonator (SRR)-shaped apertures in order to increase the transmission through subwavelength apertures by making use of the strong localization of the electromagnetic field in SRR-shaped apertures. We obtained a promising result of 104-fold enhancement by utilizing SRR-shaped apertures. It is possible to use these proposed structures at optical frequencies by making several modifications such as decreasing the sharpness of edges and increasing the gap width. Since SRRs are already being realized at optical frequencies, our proposed SRR-shaped aperture structures are promising candidates for novel applications.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Levent Sahin ; Koray Aydin ; Gonul Turhan Sayan and Ekmel Ozbay
"Enhanced transmission of electromagnetic waves through split-ring resonator-shaped apertures", J. Nanophoton. 5(1), 051812 (June 21, 2011). ; http://dx.doi.org/10.1117/1.3599873


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