10 September 2014 An ultra-broadband nano-plasmonic reflector with an asymmetric nano-ring resonator
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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.
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Yuhsin Chang, Yuhsin Chang, Chyong-Hua Chen, Chyong-Hua Chen, } "An ultra-broadband nano-plasmonic reflector with an asymmetric nano-ring resonator", Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91633J (10 September 2014); doi: 10.1117/12.2060473; https://doi.org/10.1117/12.2060473
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