Dynamic Responses of Cylindrical Whispering Gallery Mode Revealed by Axial Liquid Disturbance

doi:10.1109/jphot.2020.2998866

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	Dynamic Responses of Cylindrical Whispering Gallery Mode Revealed by Axial Liquid Disturbance
	H. C. Zhao,Y. Wang and Y. H. Wu
	2020
发表期刊	Ieee Photonics Journal
ISSN	1943-0655
卷号	12 期号:3 页码:9
摘要	Cylindrical whispering gallery mode (WGM) microresonators have achieved much attention in the sensing field due to high sensitivity, compatibility and integration. The excitation of spiral modes in such a resonator is unavoidable, causing the axial field distribution, and the injected analytes will undoubtedly interact with the axial mode field, resulting in unclear spectral responses. Here, these responses of the cylindrical WGM are investigated experimentally and theoretically for the first time. Using an optical fiber as the resonator, the experiment is performed by introducing the liquid into a part of the evanescent field along the axis. The perturbation is attributed to the modification of the resonator's profile, leading to an increase of the effective slope. We find the experimental demonstrations of the short-wavelength oscillations of spectral line shapes and the blue shifts of resonant wavelengths. Theoretical studies are consistent with the experimental phenomena. The research in the responses to the axial perturbation provides valuable insights into the effect of spiral modes on cylindrical WGMs and a potentially powerful tool for real-time biochemical analysis.
DOI	10.1109/jphot.2020.2998866
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收录类别	SCI
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64465
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	H. C. Zhao,Y. Wang and Y. H. Wu. Dynamic Responses of Cylindrical Whispering Gallery Mode Revealed by Axial Liquid Disturbance[J]. Ieee Photonics Journal,2020,12(3):9.
APA	H. C. Zhao,Y. Wang and Y. H. Wu.(2020).Dynamic Responses of Cylindrical Whispering Gallery Mode Revealed by Axial Liquid Disturbance.Ieee Photonics Journal,12(3),9.
MLA	H. C. Zhao,Y. Wang and Y. H. Wu."Dynamic Responses of Cylindrical Whispering Gallery Mode Revealed by Axial Liquid Disturbance".Ieee Photonics Journal 12.3(2020):9.

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