In-Fiber Mach–Zehnder Interferometer Based on Er Doped Up-Taper and Peanut-Shaped Fiber Structure in Fiber Ring Laser

doi:10.1109/ACCESS.2021.3112171

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	In-Fiber Mach–Zehnder Interferometer Based on Er Doped Up-Taper and Peanut-Shaped Fiber Structure in Fiber Ring Laser
	Weihao Lin ; Shengjie Zhou ; Li-Yang Shao ; Mang I Vai; Perry Shum ; Fang Zhao ; Shuaiqi Liu ; Jie Hu ; Yuhui Liu
	2021-09
Source Publication	IEEE Access
Volume	9 Pages:128126-128132
Abstract	It is demonstrated that in this paper a peanut shaped structure cascaded with up-taper fiber structure can realize the inter mode interference between the Erbium doped fiber (EDF) core mode and cladding modes in fiber ring laser (FRL). A simple and inexpensive Mach–Zehnder interferometer (MZI) based on this structure is proposed. Shown from experimental results, the optical intensity of the core mode can be coupled into the cladding modes in the first peanut-shaped structure. Then, the light in the cladding modes can be recoupled into the core mode in the up-taper structure. A high-quality interference spectrum with a signal to noise ratio about 50 dB was observed. Besides, the structure exhibits good mechanical stability when compared to MZIs based on taper or offset structure. The temperature sensitivity of the FRL sensor is 301 pm/°C and the RI sensitivity is 156 nm/RIU. This kind of MZI will have potential applications in remote sensing technique and the development of life and health.
Keyword	Erbium Doped Fiber Fiber Ring Laser Sensor Mach–zehnder Interferometer
DOI	10.1109/ACCESS.2021.3112171
URL	View the original
Indexed By	SCIE
Language	英語English
WOS Research Area	Computer Science ; Engineering ; Telecommunications
WOS Subject	Computer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS ID	WOS:000697805800001
Scopus ID	2-s2.0-85115144377
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science
Citation statistics
Document Type	Journal article
Collection	Faculty of Science and Technology DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding Author	Li-Yang Shao
Affiliation	1.University of Macau 2.Southern University of Science and Technology 3.Southern University of Science and Technology 4.University of Macau 5.Southern University of Science and Technology 6.Southern University of Science and Technology 7.University of Macau 8.Southern University of Science and Technology 9.Southern University of Science and Technology
Recommended Citation GB/T 7714	Weihao Lin,Shengjie Zhou,Li-Yang Shao,et al. In-Fiber Mach–Zehnder Interferometer Based on Er Doped Up-Taper and Peanut-Shaped Fiber Structure in Fiber Ring Laser[J]. IEEE Access, 2021, 9, 128126-128132.
APA	Weihao Lin., Shengjie Zhou., Li-Yang Shao., Mang I Vai., Perry Shum., Fang Zhao., Shuaiqi Liu., Jie Hu., & Yuhui Liu (2021). In-Fiber Mach–Zehnder Interferometer Based on Er Doped Up-Taper and Peanut-Shaped Fiber Structure in Fiber Ring Laser. IEEE Access, 9, 128126-128132.
MLA	Weihao Lin,et al."In-Fiber Mach–Zehnder Interferometer Based on Er Doped Up-Taper and Peanut-Shaped Fiber Structure in Fiber Ring Laser".IEEE Access 9(2021):128126-128132.

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