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 <16 dB km−1 bandwidth spanning across the O, E, S, C, L telecom bands (1302–1637 nm). The debut of this conjoined-tube HCF, with combined merits of ultralow loss, broad bandwidth, low bending loss, high mode quality and simple structure heralds a new opportunity to fully unleash the potential of HCF in telecommunication applications.

Details

Title
Hollow-core conjoined-tube negative-curvature fibre with ultralow loss
Author
Shou-fei Gao 1   VIAFID ORCID Logo  ; Wang, Ying-ying 1   VIAFID ORCID Logo  ; Ding, Wei 2   VIAFID ORCID Logo  ; Dong-liang, Jiang 1 ; Gu, Shuai 1 ; Zhang, Xin 1 ; Wang, Pu 1 

1  Beijing Engineering Research Centre of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, Beijing, China 
2  Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China 
Pages
1-6
Publication year
2018
Publication date
Jul 2018
Publisher
Nature Publishing Group
e-ISSN
20411723
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1038/s41467-018-05225-1
ProQuest document ID
2072257282
Copyright
© 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.