Optimisation of the prism coupling of optical whispering-gallery-mode microcavities

The methods for increasing the coupling efficiency of a prism with spheroidal microcavities, aimed at exciting whispering-gallery modes, have been analytically investigated. Optimal angles of incidence and incident beam parameters are obtained for a spheroidal cavity. The cavity eigenfrequency shift...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2017-09, Vol.47 (8), p.743-747
Main Authors: Demchenko, Yu.A., Bilenko, I.A., Gorodetsky, M.L.
Format: Article
Language:English
Subjects:
ANALYTIC FUNCTIONS
BEAM PROFILES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COUPLING
coupling optimisation
EFFICIENCY
EIGENFREQUENCY
INCIDENCE ANGLE
Microcavities
OPTIMIZATION
OSCILLATION MODES
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
prism coupling
PRISMS
Resonant frequencies
RESONATORS
whispering-gallery-mode microcavities
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Summary:The methods for increasing the coupling efficiency of a prism with spheroidal microcavities, aimed at exciting whispering-gallery modes, have been analytically investigated. Optimal angles of incidence and incident beam parameters are obtained for a spheroidal cavity. The cavity eigenfrequency shift caused by the presence of a prism and the introduced loss by it is calculated.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16371