科研之友
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摘要
An exact formalism for the interaction of a spherical whispering-gallery-mode (WGM) microresonator with an externally or internally placed subwavelength scatterer is developed. The experimentally observed doublets in the spectra of high-Q microspheres are shown to correspond to the ideal Mie resonance and a defect-induced resonance, while for TM-polarized WGMs a third peak is predicted. Explicit expressions for positions and widths of these new resonances are derived.
- 出版日期2010-5
