Microfiber-based inline Mach-Zehnder interferometer for dual-parameter measurement

Haipeng Luo; Qizhen Sun; Zhilin Xu; Weihua Jia; Deming Liu; Lin Zhang

doi:10.1109/JPHOT.2015.2395133

Microfiber-based inline Mach-Zehnder interferometer for dual-parameter measurement

Haipeng Luo, Qizhen Sun^*, Zhilin Xu, Weihua Jia, Deming Liu, Lin Zhang

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

An approach to realizing simultaneous measurement of refractive index (RI) and temperature based on a microfiber-based dual inline Mach-Zehnder interferometer (MZI) is proposed and demonstrated. Due to different interference mechanisms, as one interference between the core mode and the lower order cladding mode in the sensing single-mode fiber and the other interference between the fundamental mode and the high-order mode in the multimode microfiber, the former interferometer achieves RI sensitivity of -23.67 nm/RIU and temperature sensitivity of 81.2 pm/oC, whereas those of the latter are 3820.23 nm/RIU, and -465.7 pm/oC, respectively. The large sensitivity differences can provide a more accurate demodulation of RI and temperature. The sensor is featured with multiparameters measurement, compact structure, high sensitivity, low cost, and easy fabrication.

Original language	English
Journal	IEEE Photonics Journal
Volume	7
Issue number	2
DOIs	https://doi.org/10.1109/JPHOT.2015.2395133
Publication status	Published - 16 Feb 2015

Bibliographical note

Creative Commons BY

Funding: National Natural Science Foundation of China under Grant 61275004 and Grant 61290315 and in part by the European Commission's Marie Curie International Incoming Fellowship under Grant 328263.

Keywords

refractive index
Sensors
subwavelength structure
temperature

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10.1109/JPHOT.2015.2395133

Microfiber-based inline Mach-Zehnder interferometer for dual-parameter measurementFinal published version, 751 KBLicence: CC BY 3.0

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7042725

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title = "Microfiber-based inline Mach-Zehnder interferometer for dual-parameter measurement",

abstract = "An approach to realizing simultaneous measurement of refractive index (RI) and temperature based on a microfiber-based dual inline Mach-Zehnder interferometer (MZI) is proposed and demonstrated. Due to different interference mechanisms, as one interference between the core mode and the lower order cladding mode in the sensing single-mode fiber and the other interference between the fundamental mode and the high-order mode in the multimode microfiber, the former interferometer achieves RI sensitivity of -23.67 nm/RIU and temperature sensitivity of 81.2 pm/oC, whereas those of the latter are 3820.23 nm/RIU, and -465.7 pm/oC, respectively. The large sensitivity differences can provide a more accurate demodulation of RI and temperature. The sensor is featured with multiparameters measurement, compact structure, high sensitivity, low cost, and easy fabrication.",

keywords = "refractive index, Sensors, subwavelength structure, temperature",

author = "Haipeng Luo and Qizhen Sun and Zhilin Xu and Weihua Jia and Deming Liu and Lin Zhang",

note = "Creative Commons BY Funding: National Natural Science Foundation of China under Grant 61275004 and Grant 61290315 and in part by the European Commission's Marie Curie International Incoming Fellowship under Grant 328263.",

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doi = "10.1109/JPHOT.2015.2395133",

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AU - Luo, Haipeng

AU - Sun, Qizhen

AU - Xu, Zhilin

AU - Jia, Weihua

AU - Liu, Deming

AU - Zhang, Lin

N1 - Creative Commons BY Funding: National Natural Science Foundation of China under Grant 61275004 and Grant 61290315 and in part by the European Commission's Marie Curie International Incoming Fellowship under Grant 328263.

PY - 2015/2/16

Y1 - 2015/2/16

N2 - An approach to realizing simultaneous measurement of refractive index (RI) and temperature based on a microfiber-based dual inline Mach-Zehnder interferometer (MZI) is proposed and demonstrated. Due to different interference mechanisms, as one interference between the core mode and the lower order cladding mode in the sensing single-mode fiber and the other interference between the fundamental mode and the high-order mode in the multimode microfiber, the former interferometer achieves RI sensitivity of -23.67 nm/RIU and temperature sensitivity of 81.2 pm/oC, whereas those of the latter are 3820.23 nm/RIU, and -465.7 pm/oC, respectively. The large sensitivity differences can provide a more accurate demodulation of RI and temperature. The sensor is featured with multiparameters measurement, compact structure, high sensitivity, low cost, and easy fabrication.

AB - An approach to realizing simultaneous measurement of refractive index (RI) and temperature based on a microfiber-based dual inline Mach-Zehnder interferometer (MZI) is proposed and demonstrated. Due to different interference mechanisms, as one interference between the core mode and the lower order cladding mode in the sensing single-mode fiber and the other interference between the fundamental mode and the high-order mode in the multimode microfiber, the former interferometer achieves RI sensitivity of -23.67 nm/RIU and temperature sensitivity of 81.2 pm/oC, whereas those of the latter are 3820.23 nm/RIU, and -465.7 pm/oC, respectively. The large sensitivity differences can provide a more accurate demodulation of RI and temperature. The sensor is featured with multiparameters measurement, compact structure, high sensitivity, low cost, and easy fabrication.

KW - refractive index

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KW - subwavelength structure

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JO - IEEE Photonics Journal

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Microfiber-based inline Mach-Zehnder interferometer for dual-parameter measurement

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