1. [1] T. Morioka, “New generation optical infrastructure technologies: ‘EXAT initiative’ towards 2020 and beyond,” OptoElectron. Commun. Conf. (OECC), p.FT4, Hong Kong, 2009.
2. [2] J.M. Fini, B. Zhu, T.F. Taunay, and M.F. Yan, “Statistics of crosstalk in bent multicore fibers,” Opt. Express, vol.18, no.14, pp.15122-15129, June 2010.
3. [3] T. Hayashi, T. Nagashima, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Crosstalk variation of multi-core fibre due to fibre bend,” Eur. Conf. Opt. Commun. (ECOC), p.We.8.F.6, 2010.
4. [4] T. Hayashi, T. Taru, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Design and fabrication of ultra-low crosstalk and low-loss multi-core fiber,” Opt. Express, vol.19, no.17, pp.16576-16592, Aug. 2011.
5. [5] M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J., vol.4, no.5, pp.1987-1995, Oct. 2012.