Hiroki Takesue

Summary

Affiliation: NTT Communication Science Laboratories
Country: Japan

Publications

  1. ncbi request reprint Generation of pulsed polarization-entangled photon pairs in a 1.55-microm band with a periodically poled lithium niobate waveguide and an orthogonal polarization delay circuit
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa 243 0198, Japan
    Opt Lett 30:293-5. 2005
  2. ncbi request reprint Erasing distinguishability using quantum frequency up-conversion
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa, Japan
    Phys Rev Lett 101:173901. 2008
  3. ncbi request reprint 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
  4. ncbi request reprint 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
  5. ncbi request reprint 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
  6. doi request reprint 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
  7. ncbi request reprint 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
  8. doi request reprint Slow light enhanced correlated photon pair generation in photonic-crystal coupled-resonator optical waveguides
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi 243 0198, Kanagawa, Japan
    Opt Express 21:8596-604. 2013
  9. ncbi request reprint 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
  10. pmc 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

Collaborators

Detail Information

Publications15

  1. ncbi request reprint Generation of pulsed polarization-entangled photon pairs in a 1.55-microm band with a periodically poled lithium niobate waveguide and an orthogonal polarization delay circuit
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa 243 0198, Japan
    Opt Lett 30:293-5. 2005
    ..We have experimentally demonstrated the scheme, using a periodically poled lithium niobate waveguide, and successfully obtained polarization entanglement in the 1.55-microm telecom wavelength band...
  2. ncbi request reprint Erasing distinguishability using quantum frequency up-conversion
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa, Japan
    Phys Rev Lett 101:173901. 2008
    ..The present scheme will add flexibility to networking quantum information systems that use photons with various wavelengths...
  3. ncbi request reprint 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%...
  4. ncbi request reprint 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...
  5. ncbi request reprint 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...
  6. doi request reprint 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...
  7. ncbi request reprint 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...
  8. doi request reprint Slow light enhanced correlated photon pair generation in photonic-crystal coupled-resonator optical waveguides
    Nobuyuki Matsuda
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi 243 0198, Kanagawa, Japan
    Opt Express 21:8596-604. 2013
    ..The generation rate of photon pairs was improved by two orders of magnitude compared with that of a photonic-crystal line defect waveguide without a slow-light effect...
  9. ncbi request reprint 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...
  10. pmc 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...
  11. doi request reprint 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
    ....
  12. doi request reprint Generation of time-bin entangled photon pairs by cascaded second-order nonlinearity in a single periodically poled LiNbO(3) waveguide
    Myrtille Hunault
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa 243 0198, Japan
    Opt Lett 35:1239-41. 2010
    ..We confirmed the generation of entanglement through a two-photon interference experiment showing a coincidence fringe with a visibility of up to 97%...
  13. pmc Entangled photons from on-chip slow light
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa, 243 0198, Japan
    Sci Rep 4:3913. 2014
    ..The present result enables us to realize an on-chip entanglement source with a very small footprint, which is an essential function for quantum information processing based on integrated quantum photonics. ..
  14. pmc An on-chip coupled resonator optical waveguide single-photon buffer
    Hiroki Takesue
    NTT Basic Research Laboratories, NTT Corporation, 3 1 Morinosato Wakamiya, Atsugi, Kanagawa 243 0198, Japan
    Nat Commun 4:2725. 2013
    ..Furthermore, we show that our buffer preserves entanglement by storing and retrieving one photon from a time-bin entangled state. This is a significant step towards an all-optical integrated quantum information processor...
  15. ncbi request reprint Differential-phase quantum key distribution experiment using a series of quantum entangled photon pairs
    Toshimori Honjo
    NTT Basic Research Laboratories, NTT Corporation, Kanagawa, Japan
    Opt Lett 32:1165-7. 2007
    ..As a consequence, we successfully generated sifted keys with a quantum bit error rate of 8.3% and a key generation rate of 0.3 bit/s and revealed the feasibility of this QKD scheme...