Hiroki Takesue

Summary

Affiliation: NTT Communication Science Laboratories
Country: Japan

Publications

  1. ncbi Generation of polarization entangled photon pairs using silicon wire waveguide
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, 243 0198, Japan
    Opt Express 16:5721-7. 2008
  2. ncbi Entanglement swapping using telecom-band photons generated in fibers
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Japan
    Opt Express 17:10748-56. 2009
  3. ncbi Implementation of quantum state tomography for time-bin entangled photon pairs
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Japan
    Opt Express 17:10976-89. 2009
  4. ncbi Long-distance entanglement-based quantum key distribution experiment using practical detectors
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa, 243 0198, Japan
    Opt Express 18:16777-87. 2010
  5. ncbi Generation of high-purity entangled photon pairs using silicon wire waveguide
    Ken ichi Harada
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, 243 0198, Japan
    Opt Express 16:20368-73. 2008
  6. ncbi Entanglement generation using silicon photonic wire waveguide
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 243 0198 Japan
    J Nanosci Nanotechnol 10:1814-8. 2010
  7. ncbi A monolithically integrated polarization entangled photon pair source on a silicon chip
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa, Japan
    Sci Rep 2:817. 2012
  8. ncbi Slow light enhanced optical nonlinearity in a silicon photonic crystal coupled-resonator optical waveguide
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi 243 0198, Kanagawa, Japan
    Opt Express 19:19861-74. 2011

Collaborators

Detail Information

Publications8

  1. ncbi Generation of polarization entangled photon pairs using silicon wire waveguide
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, 243 0198, Japan
    Opt Express 16:5721-7. 2008
    ..Using a nano-scale silicon wire waveguide placed in a fiber loop, we obtained 1.5-microm band polarization entanglement with two-photon interference visibilities of >83%...
  2. ncbi Entanglement swapping using telecom-band photons generated in fibers
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Japan
    Opt Express 17:10748-56. 2009
    ..As a result, the formation of an entanglement between photons from independent sources was successfully observed...
  3. ncbi Implementation of quantum state tomography for time-bin entangled photon pairs
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Japan
    Opt Express 17:10976-89. 2009
    ..We also provide experimental results for a demonstration of QST for time-bin entangled photon pairs generated using spontaneous four-wave mixing in a dispersion shifted fiber...
  4. ncbi Long-distance entanglement-based quantum key distribution experiment using practical detectors
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa, 243 0198, Japan
    Opt Express 18:16777-87. 2010
    ..As a result, we confirmed the successful generation of sifted keys over 100 km of optical fiber with a key rate of 4.8 bit/s and an error rate of 9.1%, with which we can distill secure keys with a key rate of 0.15 bit/s...
  5. ncbi Generation of high-purity entangled photon pairs using silicon wire waveguide
    Ken ichi Harada
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, 243 0198, Japan
    Opt Express 16:20368-73. 2008
    ..2, and observed the two-photon interference fringe of time-bin entangled photons with > 95% visibility without subtracting the accidental coincidences...
  6. ncbi Entanglement generation using silicon photonic wire waveguide
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 243 0198 Japan
    J Nanosci Nanotechnol 10:1814-8. 2010
    ..We successfully demonstrated high-purity time-bin and polarization entanglement generation using 1-cm long silicon waveguides...
  7. ncbi A monolithically integrated polarization entangled photon pair source on a silicon chip
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa, Japan
    Sci Rep 2:817. 2012
    ..Therefore, we are ready for the full-scale implementation of photonic quantum information systems on a chip...
  8. ncbi Slow light enhanced optical nonlinearity in a silicon photonic crystal coupled-resonator optical waveguide
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi 243 0198, Kanagawa, Japan
    Opt Express 19:19861-74. 2011
    ....