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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 21 — Nov. 1, 1994
  • pp: 1693–1695

Q spoiling and directionality in deformed ring cavities

J. U. Nöckel, A. D. Stone, and R. K. Chang  »View Author Affiliations


Optics Letters, Vol. 19, Issue 21, pp. 1693-1695 (1994)
http://dx.doi.org/10.1364/OL.19.001693


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Abstract

A ray-optics model is developed to describe the spoiling of the high-Q (whispering gallery) modes of ring-shaped cavities as they are deformed from perfect circularity. A sharp threshold is found for the onset of Q spoiling as predicted by the Kolmogorov-Arnol’d-Moser (KAM) theorem of nonlinear dynamics. Beyond the critical deformation bc, Q ~ (bbc)−α,α ≈ 2.4–2.6. The escaping light emerges in certain specific directions, which may be predicted.

© 1994 Optical Society of America

History
Original Manuscript: June 20, 1994
Published: November 1, 1994

Citation
J. U. Nöckel, A. D. Stone, and R. K. Chang, "Q spoiling and directionality in deformed ring cavities," Opt. Lett. 19, 1693-1695 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-21-1693

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