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Proceedings Paper

Near infrared plasmonic sensor based on Fano resonance
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Paper Abstract

We introduce a compact plasmonic resonator that is capable of generating a Fano resonance in the transmission spectrum. The Fano resonance is observed with its unique lineshape. The proposed design is simple, compact, easy to fabricate and can be easily developed for different applications. The device structure is made of a gold layer, a metalinsulator- metal waveguide, and a rectangular cavity. As an application to the proposed plasmonic resonator, we introduce a gas sensor which is operational at the near infrared spectral range. The sensor possesses a high sensitivity of 1500nm/RIU at the telecom wavelength 1.55μm. FDTD simulation tools were conducted for the optimization of the device structure and obtaining the results.

Paper Details

Date Published: 15 March 2016
PDF: 6 pages
Proc. SPIE 9750, Integrated Optics: Devices, Materials, and Technologies XX, 97500F (15 March 2016); doi: 10.1117/12.2214216
Show Author Affiliations
S. M. Sherif, Qatar Univ. (Qatar)
L. Shahada, Qatar Univ. (Qatar)
D. C. Zografopoulos, CNR-IMM (Italy)
R. Beccherelli, CNR-IMM (Italy)
M. Swillam, The American Univ. in Cairo (Egypt)

Published in SPIE Proceedings Vol. 9750:
Integrated Optics: Devices, Materials, and Technologies XX
Jean-Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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