Y. Sasaki, K. Takenaga, Y. Arakawa, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “Large-effective-area uncoupled 10-core fiber with two-pitch layout,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2012), paper OM2D.4.
J. Sakaguchi, B. J. Puttnam, W. Klaus, Y. Awaji, N. Wada, A. Kanno, T. Kawanishi, K. Imamura, H. Inaba, K. Mukasa, R. Sugizaki, T. Kobayashi, and M. Watanabe, “19-core fiber transmission of 19x100x172-Gb/s SDM-WDM-PDM-QPSK signal at 305 Tb/s,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2012), paper PDP5C.1.
T. Hayashi, T. Taru, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Low-loss and large-Aeff multi-core fiber for SNR enhancement,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Mo.1.F.3.
K. Imamura, H. Inaba, K. Mukasa, and R. Sugizaki, “Multi core fiber with large Aeff of 140 μm2 and low crosstalk,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Mo.1.F.2.
H. Takara, A. Sano, T. Kobayashi, H. Kubota, H. Kawakami, A. Matsuura, Y. Miyamoto, Y. Abe, H. Ono, K. Shikama, Y. Goto, K. Tsujikawa, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, M. Koshiba, and T. Morioka, “1.01-Pb/s (12 SMD/222 WDM 456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Th.3.C.1.
H. Takahashi, T. Tsuritani, E. L. T. de Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takashima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, and M. Suzuki, “First demonstration of MC-EDFA-repeatered SDM transmission of 40x128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Th.3.C.3.
K. Takenaga, Y. Arakawa, S. Tanigawa, N. Guan, S. Matsuo, K. Saitoh, and M. Koshiba, “Reduction of crosstalk by trench-assisted multi-core fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OWJ4.
IEC Standard 60793–1-44, Measurement Methods and Test Procedures- Cutoff Wavelength (2011).
K. Takenaga, Y. Arakawa, S. Tanigawa, N. Guan, S. Matsuo, K. Saitoh, and M. Koshiba, “An investigation on crosstalk in multi-core fibers by introducing random fluctuation along longitudinal direction,” IEICE Trans. on Commun,” E94-B(2), 409–416 (2011).