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Robust entanglement distribution via telecom fibre assisted by an asynchronous counter-propagating laser light

Koichiro Miyanishi1, Yoshiaki Tsujimoto1,2, Rikizo Ikuta1,3, Shigehito Miki4,5, Masahiro Yabuno4, Taro Yamashita6,7, Hirotaka Terai4,Takashi Yamamoto1,3, Masato Koashi8 and Nobuyuki Imoto3,9

npj Quantum Information volume 6, Article number: 44 (2020)

 

1Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.

2Advanced ICT Research Institute, National Institute of Information andCommunications Technology (NICT), Koganei, Tokyo 184-8795, Japan.

3Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary ResearchInitiatives, Osaka University, Osaka 560-8531, Japan.

4Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), Kobe, Hyogo651-2492, Japan.

5Graduate School of Engineering, Kobe University, 1-1 Rokko-dai cho, Nada-ku, Kobe 657-0013, Japan.

6Graduate School of Engineering, Nagoya University,Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.

7JST PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.

8Photon Science Center, The University of Tokyo, Bunkyo-ku,Tokyo 113-8656, Japan.

9Institute for Photon Science and Technology, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.