Splitting of microcavity degenerate modes in rotating photonic crystals - The miniature optical gyroscopes

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Abstract

A manifestation of the Sagnac effect in a rotating photonic crystal that contains a microcavity with degenerate modes is explored. It is shown that generally rotation can cause the resonance frequency to split into M different frequencies, where M is the order of the stationary-system mode degeneracy. The results are derived using a new rotation-induced eigenvalue theory that holds for any two-dimensional or three-dimensional rotating microcavity with mode degeneracy. Comparison with exact numerical simulations of the rotating system is provided. Miniature optical gyroscopes are discussed.

Original languageEnglish
Pages (from-to)142-151
Number of pages10
JournalJournal of the Optical Society of America B: Optical Physics
Volume24
Issue number1
DOIs
StatePublished - Jan 2007

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