A. Svela, J. Silver, L. Del Bino, Shuangyou Zhang, M. Woodley, M. Vanner, P. Del’Haye
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Abstract
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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