>30 Db Suppression of Intrinsic Backscattering in Whispering-Gallery-Mode Microresonators

Andreas O. Svela,Jonathan M. Silver,Leonardo Del Bino,Shuangyou Zhang,Michael T. M. Woodley,Michael R. Vanner,Pascal Del'Haye

Conference on Lasers and Electro-Optics（2021）

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摘要

We demonstrate a technique for suppressing backscattered light in a whispering-gallery-mode resonator by positioning a sub-wavelength-size scatterer within its evanescent field, achieving at least 34 dB suppression compared to the intrinsic backscattering.

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关键词

intrinsic backscattering,whispering-gallery-mode microresonators,backscattered light,whispering-gallery-mode resonator,sub-wavelength-size scatterer,noise figure 30.0 dB,noise figure 34.0 dB

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