First demonstration of MC-EDFA-repeatered SDM transmission of 40 × 128-Gbit/s PDM-QPSK signals per core over 6,160-km 7-core MCF

H. Takahashi*, T. Tsuritani, E. L.T. De Gabory, T. Ito, W. R. Peng, K. Igarashi, K. Takeshima, Y. Kawaguchi, I. Morita, Y. Tsuchida, Y. Mimura, K. Maeda, T. Saito, K. Watanabe, K. Imamura, R. Sugizaki, M. Suzuki

*この研究の対応する著者

研究成果: Article査読

46 被引用数 (Scopus)

抄録

We demonstrate the first 7-core multicore erbium-doped fiber amplified (MC-EDFA) transmission of 40 × 128-Gbit/s PDM-QPSK signals over 6,160-km 7-core multicore fiber (MCF). The crosstalk (XT) from all of the other 6 cores of a MC-EDFA and a 55-km length MCF are about -46.5 dB and -45.6 dB at center core, respectively. The core-to-core rotation approach at every amplified span is used to average the XT of all cores. The averaged optical signal-to-noise ratio (OSNR) after 6,160-km transmission is 15.6 dB with 0.1 nm resolution bandwidth. The Q-factor of all 40 channels surpasses the threshold of the forward-error-correction of 6.4 dB with 1 dB margin after 6,160 km. The total net capacity is 28.8 Tbit/s per fiber and achieved capacity-distance product is 177 Pbit/s·km per fiber. We confirmed the feasibility of MC-EDFA repeatered systems for trans-oceanic transmission.

本文言語English
ページ(範囲)789-795
ページ数7
ジャーナルOptics Express
21
1
DOI
出版ステータスPublished - 2013 1月 14
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学

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