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Ultralow thermal sensitivity of phase and propagation delay in hollow core optical fibres

Ultralow thermal sensitivity of phase and propagation delay in hollow core optical fibres
Ultralow thermal sensitivity of phase and propagation delay in hollow core optical fibres
Propagation time through an optical fibre changes with the environment, e.g., a change in temperature alters the fibre length and its refractive index. These changes have negligible impact in many key fibre applications, e.g., telecommunications, however, they can be detrimental in many others. Examples are fibre-based interferometry (e.g., for precise measurement and sensing) and fibre-based transfer and distribution of accurate time and frequency. Here we show through two independent experiments that hollow-core photonic bandgap fibres have a significantly smaller sensitivity to temperature variations than traditional solid-core fibres. The 18 times improvement observed, over 3 times larger than previously reported, makes them the most environmentally insensitive fibre technology available and a promising candidate for many next-generation fibre systems applications that are sensitive to drifts in optical phase or absolute propagation delay.
Slavík, Radan
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Marra, Giuseppe
e77197ec-35a9-45a5-99dd-2edcaca0cdb1
Numkam Fokoua, Eric
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Baddela, Naveen
1a871ff8-f95d-495b-8b91-9d6ccd209528
Wheeler, Natalie V.
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Petrovich, Marco
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Poletti, Francesco
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Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Marra, Giuseppe
e77197ec-35a9-45a5-99dd-2edcaca0cdb1
Numkam Fokoua, Eric
6d9f7e50-dc3b-440a-a0b9-f4a08dd02ccd
Baddela, Naveen
1a871ff8-f95d-495b-8b91-9d6ccd209528
Wheeler, Natalie V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Petrovich, Marco
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Slavík, Radan, Marra, Giuseppe, Numkam Fokoua, Eric, Baddela, Naveen, Wheeler, Natalie V., Petrovich, Marco, Poletti, Francesco and Richardson, David J. (2015) Ultralow thermal sensitivity of phase and propagation delay in hollow core optical fibres. Scientific Reports, 5, [15447]. (doi:10.1038/srep15447).

Record type: Article

Abstract

Propagation time through an optical fibre changes with the environment, e.g., a change in temperature alters the fibre length and its refractive index. These changes have negligible impact in many key fibre applications, e.g., telecommunications, however, they can be detrimental in many others. Examples are fibre-based interferometry (e.g., for precise measurement and sensing) and fibre-based transfer and distribution of accurate time and frequency. Here we show through two independent experiments that hollow-core photonic bandgap fibres have a significantly smaller sensitivity to temperature variations than traditional solid-core fibres. The 18 times improvement observed, over 3 times larger than previously reported, makes them the most environmentally insensitive fibre technology available and a promising candidate for many next-generation fibre systems applications that are sensitive to drifts in optical phase or absolute propagation delay.

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More information

Accepted/In Press date: 22 September 2015
e-pub ahead of print date: 22 October 2015
Published date: 22 October 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 386184
URI: http://eprints.soton.ac.uk/id/eprint/386184
PURE UUID: a9df3b49-893b-4fe4-a7c8-60216dacc888
ORCID for Radan Slavík: ORCID iD orcid.org/0000-0002-9336-4262
ORCID for Eric Numkam Fokoua: ORCID iD orcid.org/0000-0003-0873-911X
ORCID for Natalie V. Wheeler: ORCID iD orcid.org/0000-0002-1265-9510
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 J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 21 Jan 2016 10:06
Last modified: 15 Mar 2024 03:47

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Contributors

Author: Radan Slavík ORCID iD
Author: Giuseppe Marra
Author: Eric Numkam Fokoua ORCID iD
Author: Naveen Baddela
Author: Natalie V. Wheeler ORCID iD
Author: Marco Petrovich ORCID iD
Author: Francesco Poletti ORCID iD

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