Regulation and Liquid Sensing of Electromagnetically Induced Transparency-like Phenomena Implemented in a SNAP Microresonator.

Chenxiang Liu, Minggang Chai, Chenglong Zheng, Chengfeng Xie, Chuanming Sun, Jiulin Shi, Xingdao He, Mengyu Wang

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Article in Sensors (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1 citing paper in PubMed.

Electromagnetically Induced Transparency-like Effect in U-Shaped Silicon Metasurfaces and Gap-Mode-Enhanced Refractive Index Sensing.Sensors (Basel, Switzerland) · 2026
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8 authors.

Chenxiang LiuKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Minggang ChaiKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Chenglong ZhengKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Chengfeng XieKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Chuanming SunKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Jiulin ShiKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Xingdao HeKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.

Mengyu WangKey Laboratory for Optoelectronic Information Perception and Instrumentation of Jiangxi, Nanchang Hangkong University, Nanchang 330063, China.ORCID 0000-0002-2132-8297

Funding

State Key Laboratory of Dynamic Measurement Technology Project 2023-SYSJJ-02the National Natural Science Foundation of China 62465014, 52465065, 62265012, 12264031the National Natural Science Foundation of Jiangxi Province of China 20232BCJ23096, 20232BAB212016, 20224BAB202006, 20232ACB212008, 20242BAB25100

6 · The paper itself

Abstract

Optical microresonators supporting whispering-gallery modes (WGMs) have become a versatile platform for achieving electromagnetically induced transparency-like (EIT-like) phenomena. We theoretically and experimentally demonstrated the tunable coupled-mode induced transparency based on the surface nanoscale axial photonics (SNAP) microresonator. Single-EIT-like and double-EIT-like (DEIT-like) effects with one or more transparent windows are achieved due to dense mode families and tunable resonant frequencies. The experimental results can be well-fitted by the coupled mode theory. An automatically adjustable EIT-like effect is discovered by immersing the sensing region of the SNAP microresonator into an aqueous environment. The sharp lineshape and high slope of the transparent window allow us to achieve a liquid refractive index sensitivity of 2058.8 pm/RIU. Furthermore, we investigated a displacement sensing phenomenon by monitoring changes in the slope of the transparent window. We believe that the above results pave the way for multi-channel all-optical switching devices, multi-channel optical communications, and biochemical sensing processing.

Indexed as

displacement sensingdouble-EIT-like effectelectromagnetically induced transparency-likeliquid sensingmulti-mode interference

Identifiers

PMID39517966

DOI10.3390/s24217069

PMCPMC11548199

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