Hybrid Photonic-Plasmonic Crystal Nanocavities

Abstract

We propose a hybrid optical nanocavity consisting of photonic crystals coupled to a metal surface with a nanoscale air gap between. The hybridization of photonic crystal modes and surface plasmons across the gap forms hybrid cavity modes, which are highly confined in the low-loss air gap region. Deep subwavelength mode volume and high quality factor are demonstrated at telecommunication wavelength, resulting in an extremely large Q/Vm ratio of 60 000 ?-3. This new type of high-Q/Vm broad-band hybrid nanocavity opens up opportunities for various applications in enhanced light-matter interactions. © 2011 American Chemical Society.

Department(s)

Mechanical and Aerospace Engineering

Keywords and Phrases

Hybrid Plasmonic Mode; Optical Nanocavity; Photonic Crystal; Surface Plasmon Polariton

International Standard Serial Number (ISSN)

1936-0851

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2011 American Chemical Society (ACS), All rights reserved.

Publication Date

01 Jan 2011

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