Publications

Refereed Journal Papers


  1. K. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Frequency and polarization characteristics of correlated photon-pair generation using a silicon wire waveguide," IEEE J. Selected Topics in Quantum Electronics 16, 325-331 (2010).
  2. H. Takesue and K. Shimizu, "Effects of multiple pairs on visibility measurements of entangled photons generated by spontaneous parametric processes," Opt. Commun. 283, 276-287 (2010).
  3. H. Shibata, M. Asahi, T. Maruyama, T. Akazaki, H. Takesue, T. Honjo, and Y. Tokura, "Optical response and fabrication of MgB2 nanowire," IEEE Transactions on applied superconductivity 19, 358-360 (2009).
  4. J. F. Dynes, H. Takesue, Z. L. Yuan, A. W. Sharpe, K. Harada, T. Honjo, H. Kamada, O. Tadanaga, Y. Nishida, M. Asobe, and A. J. Shields, "Efficient entanglement distribution over 200 kilometers," Opt. Express 17, 11440-11449 (2009).
  5. H. Takesue and Y. Noguchi, "Implementation of quantum state tomography for time-bin entangled photon pairs," Opt. Express 17, 10976-10989 (2009).
  6. H. Takesue and B. Miquel, "Entanglement swapping using telecom-band photons generated in fibers," Opt. Express 17, 10748-10756 (2009).
  7. Q. Zhang, H. Takesue, T. Honjo, K. Wen, T. Hirohata, M. Suyama, Y. Takiguchi, H. Kamada, Y. Tokura, O. Tadanaga, Y. Nishida, M. Asobe and Y. Yamamoto, "Megabits secure key rate quantum key distribution," New J. Phys. 11, 045010 (2009). This paper was chosen as "IOP Select".
  8. B. Miquel and H. Takesue, "Observation of 1.5 ƒÊm band entanglement using single photon detectors based on sinusoidally gated InGaAs/InP avalanche photodiodes," New J. Phys. 11, 045006 (2009).
  9. K. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Generation of high-purity entangled photon pairs using silicon wire waveguide," Opt. Express 16, 20368-20373 (2008).
  10. T. Honjo, S. W. Nam, H. Takesue, Q. Zhang, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, B. Baek, R Hadfield, S. Miki, M. Fujiwara, M. Sasaki, Z. Wang, K. Inoue, and Y. Yamamoto, "Long-distance entanglement-based quantum key distribution over optical fiber," Opt. Express 16, 19118-19126 (2008).
  11. H. Takesue, "Erasing distinguishability using quantum frequency up-conversion," Phys. Rev. Lett. 101, 173901 (2008).
  12. K. Inoue, T. Ohashi, T. Kukita, K. Watanabe, S. Hayashi, T. Honjo, and H. Takesue, "Differential-phase-shift quantum secret sharing," Opt. Express 16, 15469-15476 (2008).
  13. H. Shibata, T. Maruyama, T. Akazaki, H. Takesue, T. Honjo, and Y. Tokura, "Photon detection and fabrication of MgB2 nanowire," Physica C 468, 1992 (2008).
  14. Q. Zhang, H. Takesue, S. W. Nam, C. Langrock, X. Xie, B. Baek, M. M. Fejer, and Y. Yamamoto, "Distribution of time-energy entanglement over 100 km fiber using superconducting singlephoton detectors," Opt. Express 16, 5776-5781 (2008).
  15. H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Generation of polarization entangled photon pairs using silicon wire waveguide," Opt. Express 16, 5721-5727 (2008).
  16. H. Kamada, M. Asobe, T. Honjo, H. Takesue, Y. Tokura, Y. Nishida, O. Tadanaga, and H. Miyazawa, "Efficient and low-noise single-photon detection in 1550 nm communication band by frequency upconversion in periodically poled LiNbO3 waveguides," Opt. Lett. 33, 639-641 (2008).
  17. Q. Zhang, C. Langrock, H. Takesue, X. Xie, M. M. Fejer, and Y. Yamamoto, "Generation of 10-GHz clock sequential time-bin entanglement," Opt. Express 16, 3293-3298 (2008).
  18. H. Takesue, Y. Tokura, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, and S. Itabashi, "Entanglement generation using silicon wire waveguide," Appl. Phys. Lett. 91, 201108 (2007).
  19. T. Honjo, H. Takesue, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, and K. Inoue, "Long-distance distribution of time-bin entangled photon pairs over 100 km using frequency up-conversion detectors," Opt. Express 15, 13957-13964 (2007).
  20. Q. Zhang, X. Xie, H. Takesue, S. W. Nam, C. Langrock, M. M. Fejer, and Y. Yamamoto, "Correlated photon-pair generation in reverse-proton-exchange PPLN waveguides with integrated mode demultiplexer at 10 GHz clock," Opt. Express 15, 10288-10293 (2007).
  21. N. Namekata, G. Fujii, S. Inoue, T. Honjo and H. Takesue, "Differential phase shift quantum key distribution using single-photon detectors based on a sinusoidally gated InGaAs/InP avalanche photodiode," Appl. Phys. Lett. 91, 011112 (2007).
  22. H. Takesue, S. W. Nam, Q. Zhang, R. H. Hadfield, T. Honjo, K. Tamaki and Y. Yamamoto, "Quantum key distribution over 40 dB channel loss using superconducting single-photon detectors," Nature Photonics 1, 343 (2007).
  23. H. Takesue, "1.5-um band Hong-Ou-Mandel experiment using photon pairs generated in two independent dispersion shifted fibers," Appl. Phys. Lett. 90, 204101 (2007).
  24. T. Honjo, H. Takesue and K. Inoue, "Differential-phase quantum key distribution experiment using a series of quantum entangled photon pairs," Opt. Lett. 32, 1165-1167 (2007).
  25. T. Honjo, H. Takesue and K. Inoue, "Generation of energy-time entangled photon pairs in 1.5-um band with periodically poled lithium niobate waveguide," Opt. Express 15, 1679-1683 (2007).
  26. E. Diamanti, H. Takesue, C. Langrock, M. M. Fejer and Y. Yamamoto, "100 km differential phase shift quantum key distribution experiment with low jitter up-conversion detectors," Opt. Express 14, 13073-13082 (2006). The content of this paper was introduced in New Scientist.
  27. H. Takesue, E. Diamanti, C. Langrock, M. M. Fejer and Y. Yamamoto, "1.5-um single photon counting using polarization-independent up-conversion detector," Opt. Express 14, 13067-13072 (2006).
  28. H. Takesue, E. Diamanti, C. Langrock, M. M. Fejer and Y. Yamamoto, "10-GHz clock differential phase shift quantum key distribution experiment," Opt. Express 14, 9522-9530 (2006).
  29. H. Takesue and K. Inoue, "Quantum secret sharing based on modulated high-dimensional time-bin entanglement," Phys. Rev. A 74, 012315 (2006).
  30. H. Takesue, T. Honjo, and H. Kamada, "Differential phase shift quantum key distribution using 1.3-um up-conversion detectors," Jpn. J. Appl. Phys. 45, 5757 (2006).
  31. H. Takesue, N. Yoshimoto, Y. Shibata, T. Ito, Y. Tohmori and T. Sugie, "Wavelength channel data rewriter using semiconductor optical saturator / modulator," J. Lightwave Technol. 24, 2347 (2006).
  32. H. Takesue, "Long-distance distribution of time-bin entanglement generated in a cooled fiber," Opt. Express 14, 3453-3460 (2006).
  33. K. Inoue and H. Takesue, "Quantum key distribution using entangled-photon trains with no basis selection," Phys. Rev. A 73, 032332 (2006).
  34. E. Diamanti, C. Langrock, M. M. Fejer, Y. Yamamoto and H. Takesue, "1.5-um photon-counting optical time domain reflectometry with a single-photon detector using up-conversion in a PPLN waveguide," Opt. Lett. 31, 727 (2006).
  35. E. Waks, H. Takesue and Y. Yamamoto, "Security of differential-phase-shift quantum key distribution against individual attacks," Phys. Rev. A 73, 012344 (2006).
  36. H. Takesue, E. Diamanti, T. Honjo, C. Langrock, M. M. Fejer, K. Inoue and Y. Yamamoto, "Differential phase shift quantum key distribution experiment over 105 km fibre," New J. Phys. 7, 232 (2005).
  37. E. Diamanti, H. Takesue, T. Honjo, K. Inoue, and Y. Yamamoto, "Performance of various quantum key distribution systems using 1.55 um up-conversion single-photon detectors," Phys. Rev. A. 72, 052311 (2005).
  38. H. Takesue and K. Inoue, "Generation of 1.5-um band time-bin entanglement using spontaneous fiber four-wave mixing and planar lightwave circuit interferometers," Phys. Rev. A 72, 041804(R) (2005).
  39. H. Takesue and K. Inoue, "1.5-um band quantum-correlated photon pair generation in dispersion-shifted fiber: suppression of noise photons by cooling fiber," Opt. Express, 13, 7832-7839 (2005).
  40. Y. Katagiri, H. Takesue, E. Hashimoto, "Wavelength-scanning optical bandpass filters based on optomechatronics for optical frequency sweepers," IEEE Trans. Industrial Electron., 52, 992 (2005).
  41. C. Langrock, E. Diamanti, R. V. Roussev, Y. Yamamoto, M. M. Fejer, and H. Takesue, "Highly efficient single-photon detection at communication wavelengths by use of upconversion in reverse-proton-exchanged periodically poled LiNbO3 waveguides," Opt. Lett., 30, 1725 (2005).
  42. H. Takesue, K. Inoue, O. Tadanaga, Y. Nishida, and M. Asobe, "Generation of pulsed polarization-entangled photon pairs in a 1.55-um band with a periodically poled lithium niobate waveguide and an orthogonal polarization delay circuit," Opt. Lett., 30, 293 (2005).
  43. H. Takesue and K. Inoue, "Generation of polarization entangled photon pairs and violation of Bell's inequality using spontaneous four-wave mixing in a fiber loop," Phys. Rev. A 70, 031802(R) (2004).
  44. H. Takesue and T. Horiguchi, "Broadband lightwave synthesized frequency sweeper using synchronous filtering," IEEE J. Lightwave Technol., Vol. 22, No. 3, pp. 755-762, 2004.
  45. H. Takesue and T. Sugie, "Wavelength channel data rewrite using saturated SOA modulator for WDM networks with centralized light sources," IEEE J. Lightwave Technol., Vol. 21, No. 11, pp. 2546-2556, 2003.
  46. H. Takesue, T. Horiguchi and T. Kobayashi, "Numerical simulation of a lightwave synthesized frequency sweeper incorporating an optical SSB modulator composed of four optical phase modulators," IEEE J. Lightwave Technol., Vol. 20, No. 11, pp. 1908-1917, 2002.
  47. T. Sato, F. Yamamoto, K. Tsuji, H. Takesue, and T. Horiguchi, "An uncooled external cavity diode laser for coarse-WDM access network systems," IEEE Photon. Technol. Lett., Vol. 14, No. 7, pp. 1001-1003, 2002.
  48. H. Takesue and T. Horiguchi, "Chromatic dispersion measurement of optical components using lightwave synthesized frequency sweeper," IEEE J. Lightwave Technol., Vol. 20, No. 4, pp. 625-633, 2002.
  49. H. Takesue, F. Yamamoto and T. Sugie, "Novel node configuration for DWDM photonic access ring using CMLS," IEEE Photon. Technol. Lett., Vol. 12, No. 12, pp. 1698-1700, 2000.
  50. H. Takesue, F. Yamamoto and T. Horiguchi, "Fast and accurate measurement of WDM components using lightwave synthesised frequency sweeper," Electron. Lett., Vol. 36, No. 12, pp. 1047-1048, 2000.
  51. H. Takesue, F. Yamamoto, and T. Horiguchi, "Stable lightwave synthesized frequency sweeper using Fabry-Perot cavity composed of Faraday rotator mirrors," IEEE J. Lightwave Technol., Vol. 18, No. 3, pp. 375-383, 2000.
  52. H. Takesue, F. Yamamoto, and T. Horiguchi, "Stable lightwave frequency synthesis over 1-THz span using Fabry-Perot cavity containing polarization-rotation elements and actively controlled tunable bandpass filter," IEEE Photon. Technol. Lett. Vol. 12, No. 1, pp. 79-81, 2000.
  53. H. Takesue, F. Yamamoto, K. Shimizu and T. Horiguchi, "Stable lightwave frequency synthesiser using discrete-time negative frequency feedback with polarisation diversity technique," Electron. Lett., Vol. 35, No. 7, pp. 594-595, 1999.
  54. H. Takesue, F. Yamamoto, K. Shimizu and T. Horiguchi, "Stabilization of pulsed lightwave circulating around an amplified fiber-optic ring incorporating a Lyot depolarizer," IEEE Photon. Technol. Lett., Vol. 10, No. 12, pp. 1748-1750, 1998.
  55. H. Takesue, F. Yamamoto, K. Shimizu and T. Horiguchi, "1 THz lightwave synthesised frequency sweeper with synchronously tuned bandpass filter," Electron. Lett., Vol. 34, No. 15, pp. 1507-1508, 1998.

International Conferences


  1. H. Takesue, "Quantum communication experiments using telecom-band entangled photons", International Conference on Quantum Information and Technology (ICQIT) 2009, December 3, 2009, Tokyo (invited).
  2. J. F. Dynes, H. Takesue, Z. L. Yuan, A. W. Sharpe, K. Harada, T. Honjo, H. Kamada, O. Tadanaga, Y. Nishida, M. Asobe, and A. J. Shields, "Efficient entanglement distribution over 200 kilometers fiber using self-differencing InGaAs avalanche photodiodes," Frontiers in optics 2009, JWE2, October 14, 2009, San Jose.
  3. K. Yamada, T. Tsuchizawa, T. Watanabe, H. Fukuda, H. Shinojima, H. Nishi, K. Harada, H. Takesue Y. Tokura, and S. Itabashi, "Nonlinear functions and quantum entanglement generation using silicon photonic wire waveguides," ECOC 2009, session 7.2, September 23, 2009, Vienna (invited).
  4. H. Takesue, K. Harada, K. Tamaki, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, and S. Itabashi, "Unconditionally secure entanglement-based quantum key distribution experiment," Conference on Quantum Information & Quantum Control (CQIQC) III, Session 10, August 27, 2009, Toronto, Canada.
  5. J. F. Dynes, H. Takesue, Z. L. Yuan, A. W. Sharpe, K. Harada, T. Honjo, H. Kamada, O. Tadanaga, Y. Nishida, M. Asobe, and A. J. Shields, "Ulta-long distance and efficient entanglement distribution over 200 kilometers," CLEO/IQES 2009, postdeadline paper IPDA7, June 4, 2009, Baltimore.
  6. H. Takesue, "Erasing frequency distinguishability using single-photon up-conversion," CLEO/IQEC 2009, IThJ7, June 4, 2009, Baltimore.
  7. K. Shimizu, H. Takesue and K. Tamaki, "Two-photon interference for quantum cryptography with a non-maximally entangled photon pair," CLEO/IQEC 2009, IWC6, June 3, 2009, Baltimore.
  8. Q. Zhang, H. Takesue, T. Honjo, K. Wen, T. Hirohata, M. Suyama, Y. Takiguchi, H. Kamada, Y. Tokura, O. Tadanaga, Y. Nishida, M. Asobe and Y. Yamamoto, "Megabits secure key rate quantum key distribution," CLEO/IQEC 2009, ITul1, June 2, 2009, Baltimore.
  9. H. Takesue, K. Harada, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Silicon photonics in quantum communications," CLEO/IQEC 2009, CMAA1, June 1, 2009, Baltimore (invited).
  10. H. Takesue, "Telecom-band entanglement swapping using high-speed single photon detectors based on sinusoidally gated InGaAs/InP avalanche photodiodes," SPIE Defence, Security + Sensing 2009, Advanced Photon Counting Techniques III, 7320-29 (invited).
  11. K. Inoue, H. Takesue and T. Honjo, "DPS quantum key distribution and related technologies" , SPIE Photonic West, 7236-16, 2009.
  12. K. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Frequency and polarization characteristics of correlated photon-pair generation in silicon wire waveguide," International Symposium on Nanoscale Transport and Technology 2009, ISNTT 2009, PWe-10, January 21, 2009, Atsugi, Japan.
  13. Q. Zhang, H. Takesue, T. Honjo, K. Wen, T. Hirohata, M. Suyama, Y. Takiguchi, H. Kamada, Y. Tokura, O. Tadanaga, Y. Nishida, M. Asobe, S. W. Nam, R. H. Hadfield, K. Tamaki, K. Inoue, Y. Yamamoto, "Experimental research status of differential phase shifted quantum key distribution," International Symposium on Physics of Quantum Technology 2008, TH-E6, November 27, 2008, Nara.
  14. K. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "High-purity entanglement generation using silicon wire waveguide," International Symposium on Physics of Quantum Technology 2008, TH-E3, November 27, 2008, Nara.
  15. T. Honjo, S. W. Nam, H. Takesue, Q. Zhang, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, B. Baek, R Hadfield, S. Miki, M. Fujiwara, M. Sasaki, Z. Wang, K. Inoue, and Y. Yamamoto, "Long-distance entanglement-based quantum key distribution over optical fiber," International Symposium on Physics of Quantum Technology 2008, TH-E2, November 27, 2008, Nara.
  16. H. Takesue and B. Miquel, "Swapping telecom-band entanglement generatedin fibers, International Symposium on Physics of Quantum Technology 2008, TH-E1, November 27, 2008, Nara.
  17. H. Takesue and T. Honjo, "Quantum communication experiments using telecom-band entangled photons," LEOS Annual Meeting 2008, ThG4, November 13, 2008, Newport Beach, California (invited).
  18. T. Honjo, H. Takesue, H. Kamada, K. Tamaki, H. Shibata, K. Shimizu, Y. Tokura,S. Yamamoto, T. Yamamoto, Y. Nishida, O. Tadanaga, M. Asobe, and K. Inoue, "Field trial of differential-phase-shift QKD using polarization independent freqeuncy up-conversion detectors," SECOQC, Oct 10, 2008, Vienna, Austria, 2008.
  19. K. Yamada, T. Tsuchizawa, T. Watanabe, H. Fukuda, H. Shinojima, H. Nishi, H. Takesue, T. Tanabe, A. Shinya, E. Kuramochi, M. Notomi, Y. Tokura, S. Itabashi, "Applications of nonlinear effects in silicon wire waveguides: all-optical modulation, wavelength conversion, and quantum entanglement," SPIE Asia-Pacific Optical Communications, APOC 2008, Paper 7134-64, October 28, 2008, Hangzhou, China (invited).
  20. H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Entanglement generation using silicon photonic wire waveguide," The 2nd IEEE Nanotechnology Materials and Devices Conference, NMDC 2008, MoC II-3, October 20, 2008, Kyoto (invited).
  21. H. Takesue, K. Harada, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Entanglement generation using silicon wire waveguide," XII International Conference on Quantum Optics and Quantum Information, ICQO 2008, September 22, 2008, Vilnius, Lithuania (invited).
  22. H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Entanglement generation using silicon wire waveguide," 5th International Conference on Group IV Photonics, GFP 2008, FD1, September 19, 2008, Sorrento, Italy (invited).
  23. K. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "High-purity entanglement generation using silicon wire waveguide," 8th Asian Conference on Quantum Information Science, AQIS 2008, August 30, 2008, Seoul.
  24. H. Takesue, "Swapping telecom-band entanglement generated in fibers," 8th Asian Conference on Quantum Information Science, AQIS 2008, August 30, 2008, Seoul.
  25. H. Shibata, M. Asahi, T. Maruyama, T. Akazaki, H. Takesue, T. Honjo, Y. Tokura, "Optical Response and Fabrication of MgB2 Nanowire Detectors," 2008 Applied Superconductivity Conference, ASC 2008, 3EPD02, August 20, 2008, Chicago.
  26. B. Baek, S. W. Nam, D. Rosenberg, J.E. Nordholt, H. Takesue, Y. Yamamoto, M. Sasaki, A. Tomita, "Application of superconducting single photon detector technology to practical quantum key distribution systems," 2008 Applied Superconductivity Conference, ASC 2008, 2EY06, August 19, 2008, Chicago.
  27. T. Honjo, S. W. Nam, H. Takesue, Q. Zhang, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, B. Baek, R. Hadfield, S. Miki, M. Fujiwara, M. Sasaki, Z. Wang, K. Inoue and Y. Yamamoto, "Entanglement-based BBM92 QKD experiment using superconducting single photon detectors," LPHYS'08, 7.10.4, Trondheim, Norway, 2008 (Invited).
  28. H. Takesue, T. Honjo, K. Tamaki, and Y. Tokura, "Differential phase shift quantum key distribution," ITU-T Kaleidoscope Academic Conference: Innovations in NGN - Future Network and Services, S8.2, May 13, 2008, Geneva.
  29. H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Generation of 1.5-um band polarization entanglement using silicon wire waveguide," CLEO/QELS 2008, QFE3, May 9, 2008, San Jose.
  30. Q. Zhang, H. Takesue, C. Langrock, X. Xie, M. M. Fejer, and Y. Yamamoto, "Hong-Ou-Mandel dip using photon pairs from a PPLN waveguide," CLEO/QELS 2008, QFE1, May 9, 2008, San Jose.
  31. T. Honjo, S. W. Nam, H. Takesue, Q. Zhang, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, B. Baek, R. H. Hadfield, S. Miki, M. Fujiwara, M. Sasaki, Z. Wang, K. Inoue, and Y. Yamamoto, "Entanglement-based BBM92 QKD experiment using superconducting single photon detectors," CLEO/QELS 2008, QWB1, May 7, 2008, San Jose.
  32. H. Takesue, "Quantum communication experiments using entangled photons generated in dispersion shifted fiber," IEEE/LEOS Winter Topicals, January 15, 2008, Sorrento, Italy (invited).
  33. H. Takesue, "R&D of quantum relay technology at NTT," Updating Quantum Cryptography, UQC 2007, October 3, 2007, Tokyo (invited).
  34. H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura and S. Itabashi, "Entanglement generation using silicon wire waveguide," Eur. Conf. Opt. Commun. ECOC 2007, postdeadline paper 2.3, September 20, 2007, Berlin.
  35. K. Inoue, H. Takesue and T. Honjo, "Differential-phase-shift quantum key distribution", SPIE Optics East, 6780-39, Boston, 2007 (invited).
  36. N. Namekata, G. Fujii, T. Honjo, H. Takesue and S. Inoue, "Quantum key distribution using single-photon detectors based on sinusoidally gated InGaAs/InP avalanche photodiodes", CLEO/Pacific Rim 2007, postdeadline paper PDPA-5.
  37. T. Honjo, H. Takesue, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, K. Inoue, "Long-distance distribution of time-bin entangled photon pairs over 100 km using frequency up-conversion detectors," The 16th laser physics workshop, LPHY' 07, paper 7.7.2 (invited).
  38. X. Xie, Q. Zhang, C. Langrock, Y. Yamamoto, M. M. Fejer, H. Takesue, and S. W. Nam, "Photon pair generation in reverse-proton-exchange lithium niobate waveguides with mode demultiplexing at a pump repetition rate of 10 GHz," CLEO/QELS 2007, QWF4.
  39. H. Takesue, "1.5-ƒÊm band Hong-Ou-Mandel experiment using photon pairs generated in two independent optical fibers," CLEO/QELS 2007, JTuA5.
  40. K. Inoue, H. Takesue and T. Honjo, "Differential phase shift quantum key distribution using single-photon detectors," OFC 2007, OWT2 (invited).
  41. H. Takesue, E. Diamanti, C. Langrock, M. M. Fejer, and Y. Yamamoto, "100 km secure key distribution using low-jitter up-conversion detectors," The 8th inernational conference on quantum communication, measurement and computing, QCMC '06, SA4-2.
  42. K. Inoue and H. Takesue, "Generation of entangled photons in fiber and their system applications," Frontier in Optics 2006, FTuR1 (invited).
  43. Y. Yamamoto, E. Diamanti, H. Takesue, C. Langrock, and M. M. Fejer, "Differential phase shift quantum key distribution," Conference on quantum information and quantum control II, 2006 (invited).
  44. T. Honjo, H. Takesue and K. Inoue, "Differential-phase quantum key distribution experiment using a series of quantum entangled photon pairs," The 15th laser physics workshop, LPHY' 06, paper 7.7.5.
  45. E. Diamanti, C. Langrock, E. Waks, M. M. Fejer, Y. Yamamoto, H. Takesue, T. Honjo, and K. Inoue, "Differential phase shift quantum key distribution with up-conversion single-photon detectors," IEEE/LEOS Summer Topicals 2006, TuB1.1 (invited).
  46. K. Inoue, H. Takesue and T. Honjo, "Differential-phase-shift quantum key distribution," IEEE/LEOS Summer Topicals 2006, TuB1.2.
  47. E. Diamanti, C. Langrock, E. Waks, M. M. Fejer, Y. Yamamoto, H. Takesue, T. Honjo, and K. Inoue, "Fast and long-distance differential-phase-shift quantum key distribution," CLEO/QELS 2006, JTuH2.
  48. T. Honjo, H. Takesue and K. Inoue, " Generation of energy-time entangled photon pairs in 1.5-um band with periodically poled lithium niobate waveguide," CLEO/QELS 2006, JTuA5.
  49. H. Takesue, "Long-distance distribution of time-bin entangled photon pairs generated in optical fiber cooled by liquid nitrogen," CLEO/QELS 2006, JTuA3.
  50. H. Takesue, T. Honjo, K. Inoue, E. Diamanti, C. Langrock, M. M. Fejer and Y. Yamamoto, "Ultra-fast differential-phase-shift quantum key distribution using single-photon detectors based on up-conversion in periodically poled lithium niobate waveguides," OFC 2006, OFL2.
  51. E. Diamanti, C. Langrock, M. M. Fejer, Y. Yamamoto and H. Takesue, "1.5 um photon-counting optical time domain reflectometry with a single-photon detector using up-conversion in a PPLN waveguide," CLEO/QELS 2005, CTuY6.
  52. C. Langrock, E. Diamanti, R. V. Roussev, Y. Yamamoto, M. M. Fejer and H. Takesue, "Higly efficient single-photon detection at communication wavelengths using upconversion in reverse proton exchanged PPLN waveguides," CLEO/QELS 2005, QThJ1.
  53. H. Takesue and K. Inoue, "Generation of polarization entangled photon pairs using spontaneous four-wave mixing in fiber loop," The 7th inernational conference on quantum communication, measurement and computing, QCMC '04, P3.18.
  54. H. Takesue, N. Yoshimoto, T. Ito, Y. Tohmori and T. Sugie, "2.5-Gbit/s wavelength channel data rewriter using semiconductor optical saturator/modulator for drop-and-rewrite WDM networks," in Proc. Eur. Conf. Opt. Commun. ECOC 2003, paper Th2.3.3.
  55. H. Takesue and T. Sugie, "Data rewrite of wavelength channel using saturated SOA modulator for WDM metro/access networks with centralized light sources," in Proc. Eur. Conf. Opt. Commun. ECOC 2002, paper 8.5.6.
  56. T. Sato, H. Takesue and T. Sugie, "Photonic access and metropolitan area networks for broadband services," 4th International Conf. on Transparent Optical Networks, 2002. ,Vol.1, pp.21-25, April 2002.
  57. H. Takesue and T. Horiguchi, "1-THz offset frequency measurement using lightwave synthesized frequency sweeper," in Proc. Microwave Photon. Conf. MWP 2002.
  58. H. Takesue and T. Horiguchi, "Very fast chromatic dispersion measurement using lightwave synthesized frequency sweeper and lock-in detection with phase diversity technique," in Proc. Opt. Fiber Commun. Conf. OFC 2001, paper WDD87.
  59. H. Takesue, F. Yamamoto and T. Horiguchi, "Stable lightwave synthesized frequency sweeper for the 1.5 um band," in Proc. Eur. Conf. Opt. Commun. ECOCf98, paper WdA33.

General articles


  1. H. Takesue, K. Harada, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, and S. Itabashi, "Entanglement generation using silicon photonic wire waveguide," J. Nanosci. Nanotechnol. 10, 1814-1818 (2010).
  2. H. Takesue, "Progress of quantum cryptography technologies and future perspective," OYO BUTSURI 78, 972 (2009) (in Japanese).
  3. H. Takesue, "Quantum cryptography," MAGUNE (Magnetics Japan) 4, 294 (2009) (in Japanese).
  4. H. Takesue, T. Honjo, K. Tamaki, and Y. Tokura, "Differential phase shift quantum key distribution," IEEE Communications Magazine 47, 102 (2009).
  5. H. Kamada, T. Tawara, T. Yamaguchi, T. Honjo, H. Takesue, Y. Nishida, O. Tadanaga, M. Asobe, and K. Inoue, "Single-photon and entangle photon pair generation and long-distance distribution in telecommunication bands," KOGAKU 37, 447 (2008) (in Japanese).
  6. H. Takesue, "eQuantum keyf sent over 200 km of fiber using 10-GHz clock quantum cryptography system," The Journal of the Institute of Electronics, Information and Communication Engineers 90, 906 (2007) (in Japanese).
  7. H. Takesue, "Generation of entangled photon pairs in telecommunication wavelength band," OYO BUTSURI 75, 1354 (2006) (in Japanese).
  8. H. Takesue, "Generation of telecom-band quantum entangled photon pairs and its application to quantum key distribution, " Review of the National Institute of Information and Communications Technology 52, No. 3, p. 63 (2006) (in Japanese) / Journal of the National Institute of Information and Communications Technology 53, No.3, p. 69 (2006) (English translation).
  9. H. Takesue, "Generation of polarization entangled photon pairs in 1.5-um telecommunication band," NTT Gijyutsu Journal, 18, No. 2, 33 (2006) (in Japanese).
  10. H. Takesue,"Generation of polarization entangled photon pairs in 1.5-um telecommunication band," NTT Technical Review, 3, No. 12, 53 (2005).
  11. H. Takesue, H. Kawata, K. Hattori, S. Kuwano, Y. Fukada and T. Sugie, "Calculation of crosstalk penalty in hybrid ring systems for access/user networks," NTT R&D, 51, 1015 (2002) (in Japanese).
Presentations and publications in Japanese
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