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Fiber Optic Electric Field Intensity Sensor Based on Liquid Crystal-Filled Photonic Crystal Fiber Incorporated Ring Laser
Yibin, Liu1; Lin, Weihao1; Vai, Mang I.2; Shum, Perry Ping1; Shao, Li Yang1; He, Wei1; Liu, Shuaiqi1; Zhao, Fang1; Wang, Weizhi3; Yuhui, Liu1
2022-02-01
Source PublicationIEEE Photonics Journal
ISSN1943-0655
Volume14Issue:1
Abstract

Optical fiber sensors are of splendid strength for electrical field intensity sensor due to characteristics including the immunity to electromagnetic interference, lightweight, high sensitivity, and large bandwidth. In this paper, we proposed an electric field intensity sensor based on Mach-Zehnder interferometer (MZI) based liquid crystal (LC) filled photonic crystal fiber (PCF) embedded in optical fiber ring laser (FRL). The air hole of PCF combines the LC and fiber core together. When LC is introduced into air holes, it can maintain the waveguide based on external parameters. The photonic bandgap effect significantly improved the sensitivity between light and external electrical field intensity. Thanks to the FRL demodulation, a high signal to noise ratio (SNR) spectrum about 35 dB is obtained. Besides, in comparison with traditional LC-PCF structures, the sensitivity of ours is as high as 1.1 nm/Vrms which is about twice than traditional sensors. At the same time, the stability of proposed sensor was verified which fluctuation was 0.15 nm around 2.5 hours. Therefore, our structure is expected to practical applications in remote electric field monitor and such electric modulate electro-optical devices.

KeywordFiber Ring Laser Liquid Crystal Photonic Crystal Fiber
DOI10.1109/JPHOT.2021.3136879
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaOptics ; Physics ; Engineering
WOS SubjectEngineering, Electrical & Electronic ; Optics ; Physics, Applied
WOS IDWOS:000742718300001
Scopus ID2-s2.0-85122107120
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionTHE STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI (UNIVERSITY OF MACAU)
Corresponding AuthorShao, Li Yang
Affiliation1.Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
2.State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, 999078, Macao
3.Peng Cheng Laboratory, Shenzhen, 518005, China
Recommended Citation
GB/T 7714
Yibin, Liu,Lin, Weihao,Vai, Mang I.,et al. Fiber Optic Electric Field Intensity Sensor Based on Liquid Crystal-Filled Photonic Crystal Fiber Incorporated Ring Laser[J]. IEEE Photonics Journal,2022,14(1).
APA Yibin, Liu,Lin, Weihao,Vai, Mang I.,Shum, Perry Ping,Shao, Li Yang,He, Wei,Liu, Shuaiqi,Zhao, Fang,Wang, Weizhi,&Yuhui, Liu.(2022).Fiber Optic Electric Field Intensity Sensor Based on Liquid Crystal-Filled Photonic Crystal Fiber Incorporated Ring Laser.IEEE Photonics Journal,14(1).
MLA Yibin, Liu,et al."Fiber Optic Electric Field Intensity Sensor Based on Liquid Crystal-Filled Photonic Crystal Fiber Incorporated Ring Laser".IEEE Photonics Journal 14.1(2022).
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