Lowering of threshold conditions for nonlinear effects in a microsphere

D. Braunstein; A. M. Khazanov; G. A. Koganov; R. Shuker

doi:10.1103/PhysRevA.53.3565

Lowering of threshold conditions for nonlinear effects in a microsphere

D. Braunstein, A. M. Khazanov, G. A. Koganov, R. Shuker

Department of Physics

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

An explicit relationship between the Lorenz-Mie resonances and nonlinear optics of a microsphere has been found. We have constructed an approximate analytic method which allows an adequate assessment of the threshold for stimulated Raman scattering in microspheres. Systematic investigation of the characteristic equation, using approximate analytic expressions, reveals that not all modes have the same quality. Some resonances with very high quality correspond to a physical situation in which the spherical waves can be envisioned as whispering-gallery light waves that are totally internally reflected by the sphere boundary, without suffering almost any loss.

Original language	English
Pages (from-to)	3565-3572
Number of pages	8
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	53
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.53.3565
State	Published - 1 Jan 1996

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.53.3565

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AB - An explicit relationship between the Lorenz-Mie resonances and nonlinear optics of a microsphere has been found. We have constructed an approximate analytic method which allows an adequate assessment of the threshold for stimulated Raman scattering in microspheres. Systematic investigation of the characteristic equation, using approximate analytic expressions, reveals that not all modes have the same quality. Some resonances with very high quality correspond to a physical situation in which the spherical waves can be envisioned as whispering-gallery light waves that are totally internally reflected by the sphere boundary, without suffering almost any loss.

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Lowering of threshold conditions for nonlinear effects in a microsphere

Abstract

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