Universal output directionality of single modes in a deformed microcavity

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We have investigated the characteristics of quasibound states of a quadrupole-deformed microcavity both experimentally and theoretically. Five distinct single-mode groups are observed in the cavity emission spectra with their cavity quality factors varied by several orders of magnitude. Although the corresponding mode wave functions show qualitatively different geometrical shapes, these single modes exhibit almost identical far-field emission patterns, which contradicts a common understanding that the emission direction is usually associated with the geometry of the mode wave functions. The observed universal directionality is explained by a subtle manifestation of unstable manifolds of classical chaos in the formation of quasibound states.
Publisher
AMER PHYSICAL SOC
Issue Date
2007-01
Language
English
Article Type
Article
Keywords

BOUNDARY-ELEMENT METHOD; LOCALIZATION; LASERS

Citation

PHYSICAL REVIEW A, v.75, pp.461 - 469

ISSN
1050-2947
DOI
10.1103/PhysRevA.75.011802
URI
http://hdl.handle.net/10203/13782
Appears in Collection
PH-Journal Papers(저널논문)
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