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Multi-kilometer long, longitudinally uniform Hollow Core Photonic Bandgap Fibers for broadband low latency data transmission

Multi-kilometer long, longitudinally uniform Hollow Core Photonic Bandgap Fibers for broadband low latency data transmission
Multi-kilometer long, longitudinally uniform Hollow Core Photonic Bandgap Fibers for broadband low latency data transmission
The low intrinsic nonlinearity and low signal latency characteristic of Hollow Core Photonic Bandgap Fibers (HC-PBGFs) have fueled strong interest for data transmission applications. Whereas most research to date has looked at improving the optical performance of HC-PBGFs (e.g. reducing the loss, increasing the transmission bandwidth and achieving well-tempered modal properties through the suppression of surface mode resonances), in this work we address the challenging problem of scaling up the fabrication of these fibers to multi-kilometer lengths – an indispensable step to prove this fiber technology as viable. We report the fabrication of low loss, wide bandwidth HC-PBGFs operating both in the conventional telecoms window (1.55µm) and in the predicted region of minimum loss (2µm), in lengths that substantially exceed the state of the art. At 2µm, we obtained a 3.85km long fiber with ~3dB/km loss and >160nm wide 3dB bandwidth. Additionally, we report a HC-PBGF operating at 1.55µm with a length of just over 11km, transmission bandwidth in excess of 200nm and a longitudinally uniform loss of ~5dB/km, measured via cutback and an integrated scattering method. We used the latter fiber to demonstrate error-free, low-latency, direct-detection 10Gbit/s transmission across the entire C-Band as well as 20Gbit/s quadrature phase shift keyed transmission. These represent the first demonstrations of data transmission over a length of HC-PBGF exceeding 10km.
microstructured optical fibers, hollow core, photonic bandgap fibers, low latency, fiber communications
0733-8724
1-10
Chen, Yong
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Liu, Zhixin
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Sandoghchi, Seyed Reza
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Jasion, G.
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Bradley, Thomas
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Numkam Fokoua, Eric
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Hayes, John
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Wheeler, Natalie
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Gray, David
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Mangan, Brian
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Slavík, Radan
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Poletti, Francesco
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Petrovich, Marco
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Richardson, David
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Chen, Yong
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Liu, Zhixin
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Sandoghchi, Seyed Reza
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Jasion, G.
16cfff1d-d178-41d1-a092-56e6239726b8
Bradley, Thomas
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Numkam Fokoua, Eric
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Hayes, John
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Wheeler, Natalie
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Gray, David
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Mangan, Brian
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Slavík, Radan
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Poletti, Francesco
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Petrovich, Marco
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Richardson, David
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Chen, Yong, Liu, Zhixin, Sandoghchi, Seyed Reza, Jasion, G., Bradley, Thomas, Numkam Fokoua, Eric, Hayes, John, Wheeler, Natalie, Gray, David, Mangan, Brian, Slavík, Radan, Poletti, Francesco, Petrovich, Marco and Richardson, David (2016) Multi-kilometer long, longitudinally uniform Hollow Core Photonic Bandgap Fibers for broadband low latency data transmission. IEEE Journal of Lightwave Technology, 1-10. (doi:10.1109/JLT.2015.2476461).

Record type: Article

Abstract

The low intrinsic nonlinearity and low signal latency characteristic of Hollow Core Photonic Bandgap Fibers (HC-PBGFs) have fueled strong interest for data transmission applications. Whereas most research to date has looked at improving the optical performance of HC-PBGFs (e.g. reducing the loss, increasing the transmission bandwidth and achieving well-tempered modal properties through the suppression of surface mode resonances), in this work we address the challenging problem of scaling up the fabrication of these fibers to multi-kilometer lengths – an indispensable step to prove this fiber technology as viable. We report the fabrication of low loss, wide bandwidth HC-PBGFs operating both in the conventional telecoms window (1.55µm) and in the predicted region of minimum loss (2µm), in lengths that substantially exceed the state of the art. At 2µm, we obtained a 3.85km long fiber with ~3dB/km loss and >160nm wide 3dB bandwidth. Additionally, we report a HC-PBGF operating at 1.55µm with a length of just over 11km, transmission bandwidth in excess of 200nm and a longitudinally uniform loss of ~5dB/km, measured via cutback and an integrated scattering method. We used the latter fiber to demonstrate error-free, low-latency, direct-detection 10Gbit/s transmission across the entire C-Band as well as 20Gbit/s quadrature phase shift keyed transmission. These represent the first demonstrations of data transmission over a length of HC-PBGF exceeding 10km.

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More information

Accepted/In Press date: 25 August 2015
e-pub ahead of print date: 3 September 2015
Published date: 1 January 2016
Keywords: microstructured optical fibers, hollow core, photonic bandgap fibers, low latency, fiber communications
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 381945
URI: https://eprints.soton.ac.uk/id/eprint/381945
ISSN: 0733-8724
PURE UUID: b99ff8cc-06b1-43dd-bbba-9893fe343650
ORCID for Yong Chen: ORCID iD orcid.org/0000-0003-0383-6113
ORCID for Seyed Reza Sandoghchi: ORCID iD orcid.org/0000-0003-2196-3167
ORCID for G. Jasion: ORCID iD orcid.org/0000-0001-5030-6479
ORCID for Thomas Bradley: ORCID iD orcid.org/0000-0001-6568-5811
ORCID for Eric Numkam Fokoua: ORCID iD orcid.org/0000-0003-0873-911X
ORCID for Natalie Wheeler: ORCID iD orcid.org/0000-0002-1265-9510
ORCID for Radan Slavík: ORCID iD orcid.org/0000-0002-9336-4262
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Marco Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 24 Sep 2015 13:55
Last modified: 10 Dec 2019 01:57

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