In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber

We report a compact in-line Mach-Zehnder interferometer combining a microtaper with a longperiod grating (LPG) in a section of all-solid photonic bandgap fiber. Theoretical and experimental investigations reveal that the interferometer works from the interference between the fundamental core mode an...

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Main Authors: Wu, Zhifang, Liu, Yan-Ge, Wang, Zhi, Han, Tingting, Li, Shuo, Jiang, Meng, Shum, Perry Ping, Dinh, Xuan Quyen
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/95022
http://hdl.handle.net/10220/9200
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-950222020-03-07T14:02:43Z In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber Wu, Zhifang Liu, Yan-Ge Wang, Zhi Han, Tingting Li, Shuo Jiang, Meng Shum, Perry Ping Dinh, Xuan Quyen School of Electrical and Electronic Engineering We report a compact in-line Mach-Zehnder interferometer combining a microtaper with a longperiod grating (LPG) in a section of all-solid photonic bandgap fiber. Theoretical and experimental investigations reveal that the interferometer works from the interference between the fundamental core mode and the LP01 cladding supermodes. The mechanism underlying the mode coupling caused by the microtaper can be attributed to a bandgap-shifting as the fiber diameter is abruptly scaled down. In addition, the interferometer designed to strengthen the coupling ratio of the longperiod grating has a promising practical application in the simultaneous measurement of curvature and temperature. Published version 2013-02-20T07:18:30Z 2019-12-06T19:06:41Z 2013-02-20T07:18:30Z 2019-12-06T19:06:41Z 2012 2012 Journal Article Wu, Z., Liu, Y.-g., Wang, Z., Han, T., Li, S., Jiang, M., Ping Shum, P., & Dinh, X. Q. (2012). In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber. Applied Physics Letters, 101(14), 141106-. 0003-6951 https://hdl.handle.net/10356/95022 http://hdl.handle.net/10220/9200 10.1063/1.4756894 en Applied Physics Letters © 2012 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4756894].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
description We report a compact in-line Mach-Zehnder interferometer combining a microtaper with a longperiod grating (LPG) in a section of all-solid photonic bandgap fiber. Theoretical and experimental investigations reveal that the interferometer works from the interference between the fundamental core mode and the LP01 cladding supermodes. The mechanism underlying the mode coupling caused by the microtaper can be attributed to a bandgap-shifting as the fiber diameter is abruptly scaled down. In addition, the interferometer designed to strengthen the coupling ratio of the longperiod grating has a promising practical application in the simultaneous measurement of curvature and temperature.
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Wu, Zhifang
Liu, Yan-Ge
Wang, Zhi
Han, Tingting
Li, Shuo
Jiang, Meng
Shum, Perry Ping
Dinh, Xuan Quyen
format Article
author Wu, Zhifang
Liu, Yan-Ge
Wang, Zhi
Han, Tingting
Li, Shuo
Jiang, Meng
Shum, Perry Ping
Dinh, Xuan Quyen
spellingShingle Wu, Zhifang
Liu, Yan-Ge
Wang, Zhi
Han, Tingting
Li, Shuo
Jiang, Meng
Shum, Perry Ping
Dinh, Xuan Quyen
In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
author_sort Wu, Zhifang
title In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
title_short In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
title_full In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
title_fullStr In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
title_full_unstemmed In-line Mach-Zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
title_sort in-line mach-zehnder interferometer composed of microtaper and long-period grating in all-solid photonic bandgap fiber
publishDate 2013
url https://hdl.handle.net/10356/95022
http://hdl.handle.net/10220/9200
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