Abstract

We report on a new type of multicore fibres dedicated to a new generation of telecommunication networks. We designed and fabricated seven core fibres for (i) passive signal transmission, (ii) signal amplification and (iii) 1×7 signal division. In each case, the same cores and air-holes arrangement is used. However different operation is achieved by employing different cores doping and varying structural parameters of fibre, such as air-holes and cores diameters. We present experimental results of measurements performed for developed multicore fibres and multicore fibre components. Full Text: PDF References D.J. Richardson, J.M. Fini, L.E. Nelson, "Space-division multiplexing in optical fibres", Nat. Photonics 7, 354 (2013). CrossRef R.G.H. van Uden et al., "Ultra-high-density spatial division multiplexing with a few-mode multicore fibre", Nat. Photonics 8, 865 (2014). CrossRef H. Takara et al., "1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) Crosstalk-managed Transmission with 91.4-b/s/Hz Aggregate Spectral Efficiency", ECOC Tech. Dig. 3, paper Th.3.C.1. (2012). CrossRef H. Takara et al., "1000-km 7-core fiber transmission of 10 x 96-Gb/s PDM-16QAM using Raman amplification with 6.5 W per fiber", Opt. Expr. 20, 10100 (2012). CrossRef M. Koshiba, K. Saitoh, Y. Kokubun, "Heterogeneous multi-core fibers: proposal and design principle", IEICE Electron. Expr. 6, 98 (2009). CrossRef Y. Kokubun, T. Watanabe, "Dense heterogeneous uncoupled multi-core fiber using 9 types of cores with double cladding structure", 17th Microoptics Conference, Sendai, (2011). DirectLink J. Tu et al., "Optimized Design Method for Bend-Insensitive Heterogeneous Trench-Assisted Multi-Core Fiber With Ultra-Low Crosstalk and High Core Density", J. Light. Technol. 31, 2590 (2013). CrossRef B. Yao et al., "Reduction of Crosstalk by Hole-Walled Multi-Core Fibers", Optical Fiber Communication Conference and Exposition (OFC/NFOEC) OFC, Los Angeles (2012). CrossRef K. Imamura et al., "Multi-core holey fibers for ultra large capacity wide-band transmission", 34th European Conference on Optical Communication (2008). CrossRef K. Saitoh, Y. Tsuchida, M. Koshiba, "Bending-insensitive single-mode hole-assisted fibers with reduced splice loss", Opt. Lett. 30, 1779 (2005). CrossRef A. Ziolowicz et al., "Hole-assisted multicore optical fiber for next generation telecom transmission systems", Appl. Phys. Lett. 105, 081106 (2014). CrossRef

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