We report the methodology of effective low-loss fusion splicing a photonic crystal fibre (PCF) to itself as well as to a standard single mode fibre (SMF). Distinctly from other papers in this area, we report on the results for splicing suspended core (SC) PCF having tiny core and non-Gaussian shape of guided beam. We show that studied splices exhibit transmission losses strongly dispersive and non-reciprocal in view of light propagation direction. Achieved splicing losses, defined as larger decrease in transmitted optical power comparing both propagation directions, are equal to 2.71 ±0.25 dB, 1.55 ±0.25 dB at 1550 nm for fibre SC PCF spliced to itself and to SMF, respectively. © 2011 Versita Warsaw and Springer-Verlag Wien.
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Jaroszewicz, L. R., Murawski, M., Nasilowski, T., Stasiewicz, K., Marć, P., Szymański, M., & Mergo, P. (2011). Methodology of splicing large air filling factor suspended core photonic crystal fibres. Opto-Electronics Review, 19(2), 256–259. https://doi.org/10.2478/s11772-011-0004-8