Wide-band quantum interface for visible-to-telecommunication wavelength conversion R Ikuta, Y Kusaka, T Kitano, H Kato, T Yamamoto, M Koashi, N Imoto Nature Communications 2, 537, 2011 | 219 | 2011 |

Frequency-domain hong–ou–mandel interference T Kobayashi, R Ikuta, S Yasui, S Miki, T Yamashita, H Terai, T Yamamoto, ... Nature photonics 10 (7), 441-444, 2016 | 163 | 2016 |

Polarization insensitive frequency conversion for an atom-photon entanglement distribution via a telecom network R Ikuta, T Kobayashi, T Kawakami, S Miki, M Yabuno, T Yamashita, ... Nature communications 9 (1), 1997, 2018 | 86 | 2018 |

Long-distance single photon transmission from a trapped ion via quantum frequency conversion T Walker, K Miyanishi, R Ikuta, H Takahashi, SV Kashanian, Y Tsujimoto, ... Physical review letters 120 (20), 203601, 2018 | 81 | 2018 |

Experimental time-reversed adaptive Bell measurement towards all-photonic quantum repeaters Y Hasegawa, R Ikuta, N Matsuda, K Tamaki, HK Lo, T Yamamoto, ... Nature communications 10 (1), 378, 2019 | 69 | 2019 |

High-fidelity conversion of photonic quantum information to telecommunication wavelength with superconducting single-photon detectors R Ikuta, H Kato, Y Kusaka, S Miki, T Yamashita, H Terai, M Fujiwara, ... Physical Review A 87 (1), 010301, 2013 | 57 | 2013 |

Distillation of photon entanglement using a plasmonic metamaterial M Asano, M Bechu, M Tame, Ş Kaya Özdemir, R Ikuta, DÖ Güney, ... Scientific reports 5 (1), 18313, 2015 | 50 | 2015 |

Frequency comb generation in a quadratic nonlinear waveguide resonator R Ikuta, M Asano, R Tani, T Yamamoto, N Imoto Optics express 26 (12), 15551-15558, 2018 | 46 | 2018 |

High-fidelity entanglement swapping and generation of three-qubit GHZ state using asynchronous telecom photon pair sources Y Tsujimoto, M Tanaka, N Iwasaki, R Ikuta, S Miki, T Yamashita, H Terai, ... Scientific reports 8 (1), 1446, 2018 | 43 | 2018 |

Anomalous time delays and quantum weak measurements in optical micro-resonators M Asano, KY Bliokh, YP Bliokh, AG Kofman, R Ikuta, T Yamamoto, ... Nature communications 7 (1), 13488, 2016 | 42 | 2016 |

Stimulated Brillouin scattering and Brillouin-coupled four-wave-mixing in a silica microbottle resonator M Asano, Y Takeuchi, SK Ozdemir, R Ikuta, L Yang, N Imoto, T Yamamoto Optics express 24 (11), 12082-12092, 2016 | 42 | 2016 |

Frequency down-conversion of 637 nm light to the telecommunication band for non-classical light emitted from NV centers in diamond R Ikuta, T Kobayashi, S Yasui, S Miki, T Yamashita, H Terai, M Fujiwara, ... Optics express 22 (9), 11205-11214, 2014 | 41 | 2014 |

Observation of optomechanical coupling in a microbottle resonator M Asano, Y Takeuchi, W Chen, ŞK Özdemir, R Ikuta, N Imoto, L Yang, ... Laser & Photonics Reviews 10 (4), 603-611, 2016 | 40 | 2016 |

Blind quantum computation over a collective-noise channel Y Takeuchi, K Fujii, R Ikuta, T Yamamoto, N Imoto Physical Review A 93 (5), 052307, 2016 | 37 | 2016 |

Optimal local expansion of W states using linear optics and Fock states R Ikuta, T Tashima, T Yamamoto, M Koashi, N Imoto Physical Review A 83 (1), 012314, 2011 | 35 | 2011 |

Quantum key distribution with setting-choice-independently correlated light sources A Mizutani, G Kato, K Azuma, M Curty, R Ikuta, T Yamamoto, N Imoto, ... npj Quantum Information 5 (1), 8, 2019 | 32 | 2019 |

Frequency-multiplexed photon pairs over 1000 modes from a quadratic nonlinear optical waveguide resonator with a singly resonant configuration R Ikuta, R Tani, M Ishizaki, S Miki, M Yabuno, H Terai, N Imoto, ... Physical review letters 123 (19), 193603, 2019 | 31 | 2019 |

Heralded single excitation of atomic ensemble via solid-state-based telecom photon detection R Ikuta, T Kobayashi, K Matsuki, S Miki, T Yamashita, H Terai, ... Optica 3 (11), 1279-1284, 2016 | 31 | 2016 |

Security of quantum key distribution with light sources that are not independently and identically distributed Y Nagamatsu, A Mizutani, R Ikuta, T Yamamoto, N Imoto, K Tamaki Physical Review A 93 (4), 042325, 2016 | 28 | 2016 |

Mach-Zehnder interferometer using frequency-domain beamsplitter T Kobayashi, D Yamazaki, K Matsuki, R Ikuta, S Miki, T Yamashita, ... Optics Express 25 (10), 12052-12060, 2017 | 26 | 2017 |