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Published March 14, 2008 | Version public
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Static Envelope Patterns in Composite Resonances Generated by Level Crossing in Optical Toroidal Microcavities

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Abstract

We study level crossing in the optical whispering-gallery (WG) modes by using toroidal microcavities. Experimentally, we image the stationary envelope patterns of the composite optical modes that arise when WG modes of different wavelengths coincide in frequency. Numerically, we calculate crossings of levels that correspond with the observed degenerate modes, where our method takes into account the not perfectly transverse nature of their field polarizations. In addition, we analyze anticrossing with a large avoidance gap between modes of the same azimuthal number.

Additional Information

©2008 The American Physical Society. (Received 21 August 2007; published 13 March 2008) We acknowledge discussion with A.A. Savchenkov, I. Bucher, J. Scheuer, I. Klich, O. Painter, and M. Eichenfield; and support from Caltech Lee Center and DARPA. H.G.L.S. acknowledges financial support of L.J. Wang, A.D.S. acknowledges support of NSF Grant No. DMR-0408636. M.O. acknowledges support from the NMS Pathfinder Metrology Programme.

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Eprint ID
9767
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CaltechAUTHORS:CARprl08a

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Created
2008-03-14
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Updated
2021-11-08
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