Title

Design and optimization of TE011 resonant modes in metallic-dielectric cavities

Authors

Authors

J. D. Brown;E. G. Johnson

Comments

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Abbreviated Journal Title

IEEE Photonics Technol. Lett.

Keywords

high quality (Q)-factor resonators; microcavity resonator; particle; swarm optimization (PSO); small mode volume; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

In this work, we present an innovative approach for designing small-scale microcavity resonators. By introducing a gold cladding around the structure, we may significantly reduce the mode volume and simultaneously increase the cavity's quality (Q)-factor. By making use of the TE011 mode, as opposed to the more traditional HE111 mode, we may further reduce the mode volume while taking advantage of decreased loss into the metal layer due to the optimal polarization choice. We demonstrate a means to design and optimize the cavity geometry to obtain desired spectral characteristics through the use of particle swarm optimization, and we present a cavity operating at 1.5 mu m with a Q value exceeding 300 000 and a modal volume of less than 0.9(lambda/n)(3).

Journal Title

Ieee Photonics Technology Letters

Volume

20

Issue/Number

1-4

Publication Date

1-1-2008

Document Type

Article

Language

English

First Page

255

Last Page

257

WOS Identifier

WOS:000253225300082

ISSN

1041-1135

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