TITLE

Observation of orthogonally polarized transverse electric and transverse magnetic oscillation modes in a microcavity excited by localized two-photon absorption

AUTHOR(S)
Morrish, Dru; Gan, Xiaosong; Gu, Min
PUB. DATE
December 2002
SOURCE
Applied Physics Letters;12/30/2002, Vol. 81 Issue 27, p5132
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on the observation of orthogonally polarized transverse electric (TE) and transverse magnetic (TM) oscillation modes in a microcavity excited by localized two-photon absorption. The polarization-dependent features of morphology-dependent resonance (MDR) effects in a microsphere under two-photon fluorescence excitation are quantitatively investigated. In addition to a clear separation of excitation and resonance wavelengths under two-photon excitation, the fluorescence emission can be tightly controlled in three-dimensional space within a microsphere. The experimental results demonstrate not only the orthogonal polarization nature of TE and TM oscillation modes but also the dependence of the strength and the polarization properties of MDR peaks on excitation locations in a microsphere.
ACCESSION #
8737950

 

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