Hollow-core conjoined-tube negative-curvature fibre with ultralow loss

Shou-fei Gao, Ying-ying Wang (), Wei Ding, Dong-liang Jiang, Shuai Gu, Xin Zhang and Pu Wang
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Shou-fei Gao: Beijing University of Technology
Ying-ying Wang: Beijing University of Technology
Wei Ding: Chinese Academy of Sciences
Dong-liang Jiang: Beijing University of Technology
Shuai Gu: Beijing University of Technology
Xin Zhang: Beijing University of Technology
Pu Wang: Beijing University of Technology

Nature Communications, 2018, vol. 9, issue 1, 1-6

Abstract: Abstract Countering the optical network ‘capacity crunch’ calls for a radical development in optical fibres that could simultaneously minimize nonlinearity penalties, chromatic dispersion and maximize signal launch power. Hollow-core fibres (HCF) can break the nonlinear Shannon limit of solid-core fibre and fulfil all above requirements, but its optical performance need to be significantly upgraded before they can be considered for high-capacity telecommunication systems. Here, we report a new HCF with conjoined-tubes in the cladding and a negative-curvature core shape. It exhibits a minimum transmission loss of 2 dB km−1 at 1512 nm and a

Date: 2018
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DOI: 10.1038/s41467-018-05225-1

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