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Temperature insensitive fiber interferometry

Temperature insensitive fiber interferometry
Temperature insensitive fiber interferometry
We show for the first time the interference pattern of a Mach-Zehnder interferometer to be fully insensitive to temperature. This is achieved using silica glass made hollow core fiber and operating it at the temperature of -71OC, which is very close to the temperature at which the thermal expansion of silica glass crosses zero. Our results highlight for the first time an alternative to bulky and difficult-to-align, ultra-low-expansion glass-based optical cavities for metrology and sensing.
0146-9592
Zhu, Wenwu
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Numkam Fokoua, Eric
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Chen, Yong
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Bradley, Thomas
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Petrovich, Marco
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Poletti, Francesco
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Zhao, Mingshan
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Richardson, David
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Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Zhu, Wenwu
224a96dc-9793-43c5-a43d-78630e179de8
Numkam Fokoua, Eric
6d9f7e50-dc3b-440a-a0b9-f4a08dd02ccd
Chen, Yong
0bfb3083-4cd2-4463-a7a4-f48c4158b15a
Bradley, Thomas
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Petrovich, Marco
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Zhao, Mingshan
bf289b4a-245b-467f-a926-dab8ffe2054c
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d

Zhu, Wenwu, Numkam Fokoua, Eric, Chen, Yong, Bradley, Thomas, Petrovich, Marco, Poletti, Francesco, Zhao, Mingshan, Richardson, David and Slavík, Radan (2019) Temperature insensitive fiber interferometry. Optics Letters. (doi:10.1364/OL.44.002768).

Record type: Article

Abstract

We show for the first time the interference pattern of a Mach-Zehnder interferometer to be fully insensitive to temperature. This is achieved using silica glass made hollow core fiber and operating it at the temperature of -71OC, which is very close to the temperature at which the thermal expansion of silica glass crosses zero. Our results highlight for the first time an alternative to bulky and difficult-to-align, ultra-low-expansion glass-based optical cavities for metrology and sensing.

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More information

Accepted/In Press date: 30 April 2019
e-pub ahead of print date: 24 May 2019
Published date: 1 June 2019

Identifiers

Local EPrints ID: 430683
URI: https://eprints.soton.ac.uk/id/eprint/430683
ISSN: 0146-9592
PURE UUID: af733fc2-3879-41f0-8936-9a1e41fa3cb8
ORCID for Eric Numkam Fokoua: ORCID iD orcid.org/0000-0003-0873-911X
ORCID for Yong Chen: ORCID iD orcid.org/0000-0003-0383-6113
ORCID for Thomas Bradley: ORCID iD orcid.org/0000-0001-6568-5811
ORCID for Marco Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for Radan Slavík: ORCID iD orcid.org/0000-0002-9336-4262

Catalogue record

Date deposited: 08 May 2019 16:30
Last modified: 16 Aug 2019 00:39

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