Experimental observation of Fano-like resonance in a whispering-gallery-mode microresonator in aqueous environment

被引:0
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作者
YANLEI SHANG [1 ,2 ]
MINGYONG YE [1 ,2 ,3 ]
XIUMIN LIN [1 ,2 ]
机构
[1] Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University
[2] Fujian Provincial Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices
[3] Key Laboratory of Quantum Information, University of Science and Technology of China, Chinese Academy of
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中图分类号
TN629.1 [空腔谐振器];
学科分类号
摘要
We report on the transmission spectra of a sausage-like microresonator(SLM)in aqueous environment,where a fiber taper is used as a light coupler.The transmission spectra show an interesting dependence on the coupling position between the SLM and the fiber taper.When the SLM is moved along the fiber taper,the line shape can evolve periodically among symmetric dips,asymmetric Fano-like resonance line shapes,and symmetric peaks.A coupled-mode theory with feedback is developed to explain the observation.The observation of Fano-like resonance in aqueous environment holds great potential in biochemical sensing.
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页码:119 / 123
页数:5
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