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Proceedings Paper

High-Q photonic nanocavity
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Paper Abstract

High Q and ultra-small photonic nanocavity operating at optical communication wavelength is developed using a silicon-based two-dimensional photonic-crystal slab. The cavity is designed based on the concept that light should be confined gently in order to be confined strongly, which means that the envelope function of the cavity electric field profile should be gently varying but remain spatially localized. Structure of a cavity is adjusted to fit the envelope to a Gaussian function that fulfill the two conditions, and a Q factor more than 45,000 and a modal volume of 0.07 μm3 are successfully realized.

Paper Details

Date Published: 8 October 2004
PDF: 12 pages
Proc. SPIE 5515, Nanoengineering: Fabrication, Properties, Optics, and Devices, (8 October 2004); doi: 10.1117/12.560744
Show Author Affiliations
Takashi Asano, Kyoto Univ. (Japan)
Susumu Noda, Kyoto Univ. (Japan)

Published in SPIE Proceedings Vol. 5515:
Nanoengineering: Fabrication, Properties, Optics, and Devices
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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