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Proceedings Paper

An ultra-broadband nano-plasmonic reflector with an asymmetric nano-ring resonator
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Paper Abstract

We propose a broadband nano-plasmonic reflector by using an asymmetric nano-ring resonator directly connected to the input and output waveguides based on metal-insulator-metal waveguides. Due to direct connection, both clockwise and counterclockwise traveling modes propagate inside the ring resonator, giving rise to resonator resonances and Mach Zehnder interference. Ultra-broad bandwidth is realized by adjusting the lengths of the ring to manipulate the resonant wavelengths and varying its widths to minimize the low-transmission ripples. An example of the plasmonic reflector with the dimensions of 200×522 nm×nm and the bandwidth of 1000 nm is numerically accomplished.

Paper Details

Date Published: 10 September 2014
PDF: 5 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91633J (10 September 2014); doi: 10.1117/12.2060473
Show Author Affiliations
Yuhsin Chang, National Chiao Tung Univ. (Taiwan)
Chyong-Hua Chen, National Chiao Tung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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