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Current status of few mode fiber amplifiers for spatial division multiplexed transmission

Current status of few mode fiber amplifiers for spatial division multiplexed transmission
Current status of few mode fiber amplifiers for spatial division multiplexed transmission
We review the performances of few-mode in-line fiber amplifiers for mode division multiplexed transmission systems. We have experimentally demonstrated that differential modal gain (DMG) of <2 dB can be achieved amongst the guided modes using ring shaped erbium doping profile. The amplifier provides >20 dB small signal gain for all the guided modes with a gain flatness of <4.0 dB over the full C-band. Numerical modelling suggests that the DMG can be reduced to <1 dB by adopting complex doping profiles with the complexity rises as the number of guided modes increases. We have also reported the experimental demonstration of a few mode amplifier at the emerging telecommunication window of 2 µm supporting 3 spatial modes.
060.2280 fiber design and fabrication (060.2320), fiber optics amplifiers and oscillators (060.2330), fiber optics communications
0974-6900
1-10
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Kang, Qiongyue
261baa75-d2c0-46f1-9386-3c6a138129f0
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Sahu, Jayanta
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Kang, Qiongyue
261baa75-d2c0-46f1-9386-3c6a138129f0
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Sahu, Jayanta
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Alam, Shaif-ul, Jung, Yongmin, Kang, Qiongyue, Poletti, Francesco, Sahu, Jayanta and Richardson, David (2015) Current status of few mode fiber amplifiers for spatial division multiplexed transmission. Journal of Optics, 1-10. (doi:10.1007/s12596-015-0283-4).

Record type: Article

Abstract

We review the performances of few-mode in-line fiber amplifiers for mode division multiplexed transmission systems. We have experimentally demonstrated that differential modal gain (DMG) of <2 dB can be achieved amongst the guided modes using ring shaped erbium doping profile. The amplifier provides >20 dB small signal gain for all the guided modes with a gain flatness of <4.0 dB over the full C-band. Numerical modelling suggests that the DMG can be reduced to <1 dB by adopting complex doping profiles with the complexity rises as the number of guided modes increases. We have also reported the experimental demonstration of a few mode amplifier at the emerging telecommunication window of 2 µm supporting 3 spatial modes.

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More information

Accepted/In Press date: 22 September 2015
e-pub ahead of print date: 20 November 2015
Keywords: 060.2280 fiber design and fabrication (060.2320), fiber optics amplifiers and oscillators (060.2330), fiber optics communications
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 388110
URI: https://eprints.soton.ac.uk/id/eprint/388110
ISSN: 0974-6900
PURE UUID: e00f68d1-d06d-4c16-b9f9-8a13f93b94b8
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 19 Feb 2016 13:59
Last modified: 15 Aug 2019 00:56

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Contributors

Author: Shaif-ul Alam
Author: Yongmin Jung
Author: Qiongyue Kang
Author: Jayanta Sahu

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