A Mach-Zehnder interferometer by combining a microtaper with a long period grating in an all solid photonic bandgap fiber and its temperature sensing characteristic

Zhifang Wu; Meng Jiang; Yan-ge Liu; Zhi Wang; Perry Ping Shum; Xuan Quyen Dinh

doi:10.1117/12.975192

7 November 2012 A Mach-Zehnder interferometer by combining a microtaper with a long period grating in an all solid photonic bandgap fiber and its temperature sensing characteristic

Zhifang Wu, Meng Jiang, Yan-ge Liu, Zhi Wang, Perry Ping Shum, Xuan Quyen Dinh

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84217B (2012) https://doi.org/10.1117/12.975192
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We demonstrate a new type of Mach-Zehnder interferometer by combining a nonadiabatic microtaper with a long period grating in the same stage of all solid photonic bandgap fibers. Meanwhile, the mode-coupling caused by the microtaper is indirectly verified by the interference with the long period grating, which is designed for the resonance between the fundamental core mode and LP₀₁ cladding supermodes. Finally, the temperature response is also reported.

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Zhifang Wu, Meng Jiang, Yan-ge Liu, Zhi Wang, Perry Ping Shum, and Xuan Quyen Dinh "A Mach-Zehnder interferometer by combining a microtaper with a long period grating in an all solid photonic bandgap fiber and its temperature sensing characteristic", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84217B (7 November 2012); https://doi.org/10.1117/12.975192

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