Nano Archive

Plasmon flow control at gap waveguide junctions using square ring resonators

Liu, Jianlong and Fang, Guangyu and Zhao, Haifa and Zhang, Yan and Liu, Shutian (2010) Plasmon flow control at gap waveguide junctions using square ring resonators. Journal of Physics D: Applied Physics, 43 (5). 055103.

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Official URL: http://stacks.iop.org/0022-3727/43/i=5/a=055103

Abstract

A compact add-drop coupler with square ring resonator (SRR) in gap plasmon waveguide is studied. It is shown that there exist both travelling-wave and standing-wave resonant modes in the resonator due to the influence of the four corners in the square ring. Based on SRR, a new type of two-dimensional plasmonic L-shaped bend is proposed. The compact geometry and high add-drop efficiency of the proposed structure enable the realization of flexible flow control at waveguide junctions, e.g. T-splitter and waveguide cross intersections, in nano scale. The optical field propagation patterns in the gap waveguide junctions equipped with SRRs are investigated by the finite-difference time-domain method.

Item Type:Article
ID Code:11253
Deposited By:Prof. Alexey Ivanov
Deposited On:01 Nov 2011 23:30
Last Modified:02 Nov 2011 00:47

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