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Multi-band direct-detection transmission over an ultrawide bandwidth hollow-core NANF

Multi-band direct-detection transmission over an ultrawide bandwidth hollow-core NANF
Multi-band direct-detection transmission over an ultrawide bandwidth hollow-core NANF

In this article, we report high-speed multi-band direct-detection (DD) transmission over a hollow-core nested antiresonant nodeless fiber (NANF). Thanks to the ultrawide bandwidth of the NANF, we demonstrate dual-band transmission across the O- and C-bands over a ∼1-km length of a hollow-core fiber for the first time. Eight wavelength-division multiplexed (WDM) channels were transmitted using 100-Gb/s/λ Nyquist 4-ary pulse-amplitude modulation (PAM4) signals, which to the best of our knowledge, is the highest aggregate capacity ever transmitted in a DD hollow-core fiber-based transmission system. Optical pre-amplification was adopted for signal reception in both bands, achieved using an in-house built bismuth-doped optical fibre amplifier (BDFA) and a commercial erbium-doped fiber amplifier (EDFA) in the O- and C-band, respectively. We further demonstrate beyond 100-Gb/s/λ adaptively-loaded discrete multitone (DMT) transmission over the S+C+L-bands using the same NANF, without the use of optical amplification. Our experiments show that apart from fiber loss, the use of the NANF did not introduce any additional transmission penalties. The demonstrated results validate the ultrawide bandwidth and excellent modal purity of the fabricated NANF, which allow beyond 100-Gb/s/λ penalty-free transmission over multiple bands, highlighting the potential of this fiber technology for high-speed short- to intermediate-reach applications.

Microstructured fibers, WDM systems, direct-detection, hollow-core fibers, ultra-wideband transmission
0733-8724
2848-2856
Hong, Yang
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Sakr, Hesham
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Taengnoi, Natsupa
afc5fb3e-224b-43b3-a161-931ed77faec1
Bottrill, Kyle
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Bradley, Thomas
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Hayes, John Richard
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Jasion, Gregory
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Kim, Hyuntai
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Thipparapu, Naresh Kumar
a36a2b4c-b75c-4976-a753-b5fab9e54150
Wang, Yu
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Umnikov, Andrey A.
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Sahu, Jayanta
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Poletti, Francesco
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Petropoulos, Periklis
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Richardson, David
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Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Sakr, Hesham
5ec2d89f-ab6e-4690-bbfd-b95fa4cb792d
Taengnoi, Natsupa
afc5fb3e-224b-43b3-a161-931ed77faec1
Bottrill, Kyle
8c2e6c2d-9f14-424e-b779-43c23e2f49ac
Bradley, Thomas
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Hayes, John Richard
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Jasion, Gregory
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Kim, Hyuntai
cfbf9241-6bb7-4738-8e2d-4fbc5c1217cc
Thipparapu, Naresh Kumar
a36a2b4c-b75c-4976-a753-b5fab9e54150
Wang, Yu
629093a5-d7b6-408d-86bf-d2e754f739e6
Umnikov, Andrey A.
9b57cc1b-d0f9-4c34-9409-a58ee0f70250
Sahu, Jayanta
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Petropoulos, Periklis
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Richardson, David
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Hong, Yang, Sakr, Hesham, Taengnoi, Natsupa, Bottrill, Kyle, Bradley, Thomas, Hayes, John Richard, Jasion, Gregory, Kim, Hyuntai, Thipparapu, Naresh Kumar, Wang, Yu, Umnikov, Andrey A., Sahu, Jayanta, Poletti, Francesco, Petropoulos, Periklis and Richardson, David (2020) Multi-band direct-detection transmission over an ultrawide bandwidth hollow-core NANF. Journal of Lightwave Technology, 38 (10), 2848-2856, [8962020]. (doi:10.1109/JLT.2020.2967581).

Record type: Article

Abstract

In this article, we report high-speed multi-band direct-detection (DD) transmission over a hollow-core nested antiresonant nodeless fiber (NANF). Thanks to the ultrawide bandwidth of the NANF, we demonstrate dual-band transmission across the O- and C-bands over a ∼1-km length of a hollow-core fiber for the first time. Eight wavelength-division multiplexed (WDM) channels were transmitted using 100-Gb/s/λ Nyquist 4-ary pulse-amplitude modulation (PAM4) signals, which to the best of our knowledge, is the highest aggregate capacity ever transmitted in a DD hollow-core fiber-based transmission system. Optical pre-amplification was adopted for signal reception in both bands, achieved using an in-house built bismuth-doped optical fibre amplifier (BDFA) and a commercial erbium-doped fiber amplifier (EDFA) in the O- and C-band, respectively. We further demonstrate beyond 100-Gb/s/λ adaptively-loaded discrete multitone (DMT) transmission over the S+C+L-bands using the same NANF, without the use of optical amplification. Our experiments show that apart from fiber loss, the use of the NANF did not introduce any additional transmission penalties. The demonstrated results validate the ultrawide bandwidth and excellent modal purity of the fabricated NANF, which allow beyond 100-Gb/s/λ penalty-free transmission over multiple bands, highlighting the potential of this fiber technology for high-speed short- to intermediate-reach applications.

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Accepted/In Press date: 14 January 2020
e-pub ahead of print date: 17 January 2020
Published date: 15 May 2020
Keywords: Microstructured fibers, WDM systems, direct-detection, hollow-core fibers, ultra-wideband transmission

Identifiers

Local EPrints ID: 438389
URI: http://eprints.soton.ac.uk/id/eprint/438389
ISSN: 0733-8724
PURE UUID: 2748c6ca-253b-4a13-a290-946c9bb1361e
ORCID for Hesham Sakr: ORCID iD orcid.org/0000-0002-4154-8414
ORCID for Kyle Bottrill: ORCID iD orcid.org/0000-0002-9872-110X
ORCID for Thomas Bradley: ORCID iD orcid.org/0000-0001-6568-5811
ORCID for Gregory Jasion: ORCID iD orcid.org/0000-0001-5030-6479
ORCID for Naresh Kumar Thipparapu: ORCID iD orcid.org/0000-0002-5153-4737
ORCID for Andrey A. Umnikov: ORCID iD orcid.org/0000-0001-6006-5410
ORCID for Jayanta Sahu: ORCID iD orcid.org/0000-0003-3560-6152
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 09 Mar 2020 17:30
Last modified: 17 Mar 2024 03:49

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Contributors

Author: Yang Hong
Author: Hesham Sakr ORCID iD
Author: Natsupa Taengnoi
Author: Kyle Bottrill ORCID iD
Author: Thomas Bradley ORCID iD
Author: John Richard Hayes
Author: Gregory Jasion ORCID iD
Author: Hyuntai Kim
Author: Naresh Kumar Thipparapu ORCID iD
Author: Yu Wang
Author: Andrey A. Umnikov ORCID iD
Author: Jayanta Sahu ORCID iD

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