Annular Bragg defect mode resonators

Jacob Scheuer*, Amnon Yariv

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We propose and analyze a new type of a resonator in an annular geometry that is based on a single defect surrounded by radial Bragg reflectors on both sides. We show that the conditions for efficient mode confinement are different from those of the conventional Bragg waveguiding in a rectangular geometry. A simple and intuitive approach to the design of optimal radial Bragg reflectors is proposed and employed, yielding chirped gratings. Small bending radii and strong control over the resonator dispersion are possible by the Bragg confinement. A design compromise between large free-spectral-range requirements and fabrication tolerances is suggested.

Original languageEnglish
Pages (from-to)2285-2291
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume20
Issue number11
DOIs
StatePublished - Nov 2003
Externally publishedYes

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