Rotation-induced superstructure in slow-light waveguides with mode-degeneracy: Optical gyroscopes with exponential sensitivity

Ben Z. Steinberg*, Jacob Scheuer, Amir Boag

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We study wave propagation in a rotating slow-light structure with mode degeneracy. The rotation, in conjunction with the mode degeneracy, effectively induces superstructure that significantly modifies the structure's dispersion relation. It is shown that a rotation-dependent stop band is formed in the center of the slow-light waveguide transmission curve. A light signal of frequency within this stop band that is excited in a finite-length section of such a waveguide decays exponentially with the rotation speed and with the coupled resonator optical waveguide's total length or total number of degenerate microcavities. This effect can be used for optical gyroscopes with exponential-type sensitivity to rotation.

Original languageEnglish
Pages (from-to)1216-1224
Number of pages9
JournalJournal of the Optical Society of America B: Optical Physics
Volume24
Issue number5
DOIs
StatePublished - May 2007

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