Abstract

We propose and investigate ultracompact aperture-coupled metallic ring resonators with submicron radii based on strongly-confined plasmonic waveguides. Simulations showed 500nm-radius ring resonators can be obtained with low insertion loss and modal volume of only 0.085(λ<sup>0</sup>/n<sup>eff</sup>)<sup>3</sup>.

© 2009 The Optical Society

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