Dielectric surrounding decimates eigenmodes of microdisk optical resonators

We performed a numerical study of optical whispering gallery modes in microdisk resonators modified via their embedding in a homogeneous dielectric surrounding or covering with a thin dielectric layer. Mode spectra and electromagnetic field distributions were calculated through the solution of the H...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-12, Vol.1124 (5), p.51031
Main Authors: Raskhodchikov, A V, Scherbak, S A, Kryzhanovskaya, N V, Zhukov, A E, Lipovskii, A A
Format: Article
Language:English
Subjects:
Dielectrics
Electromagnetic fields
Helmholtz equations
Optical resonators
Whispering gallery modes
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Summary:We performed a numerical study of optical whispering gallery modes in microdisk resonators modified via their embedding in a homogeneous dielectric surrounding or covering with a thin dielectric layer. Mode spectra and electromagnetic field distributions were calculated through the solution of the Helmholtz equation using COMSOL Multiphysics environment. It is shown that the modification results in the decimation of the resonator modes.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1124/5/051031