Influence of fibre design and curvature on crosstalk in multi-core fibre. (29th March 2016)

• Record Type: Journal Article
• Authors: Egorova, O N; Astapovich, M S; Melnikov, L A; Salganskii, M Yu; Mishkin, S N; Nishchev, K N; Semjonov, S L; Dianov, E M
• Is Part Of: Quantum electronics. Volume 46:Number 3(2016)
• Page Start: 262
• Page End: 266
• Publication Date: 2016-03-29
• Subjects: Quantum electronics -- Periodicals; 537.5
• DOI: 10.1070/QEL15953
• Languages: English
• ISSNs: 1063-7818

Abstract

Abstract: We have studied the influence of cross-sectional structure and bends on optical cross-talk in a multicore fibre. A reduced refractive index layer produced between the cores of such fibre with a small centre-to-centre spacing between neighbouring cores (27 μm) reduces optical cross-talk by 20 dB. The cross-talk level achieved, 30 dB per kilometre of the length of the multicore fibre, is acceptable for a number of applications where relatively small lengths of fibre are needed. Moreover, a significant decrease in optical cross-talk has been ensured by reducing the winding diameter of multicore fibres with identical cores.