Publications

 

Papers

<2023>
  1. W. Roga, T. Ono, and M. Takeoka, “Sequential minimum optimization algorithm with small sample size estimators”, AVS Quantum Science, 5, 033801 (2023), Jonathan P. Dowling Memorial Special Issue: The Second Quantum Revolution. Featured in Publication Highlights.
  2. W. Roga, R. Ikuta, T. Horikiri, and M. Takeoka, “Efiicient Dicke-state distribution in a network of lossy channels”, Physical Review A, 108, 012612 (2023).
  3. T. Ono, W. Roga, K. Wakui, M. Fujiwara, S. Miki, H. Terai, and M. Takeoka, “Demonstration of a bosonic quantum classifier with data reuploading”, Physical Review Letters, 131, 013601 (2023).
<2022>
  1. H. Endo, T. Sasaki, M. Takeoka, M. Fujiwara, M. Koashi, and M. Sasaki, “Line-of-sight quantum key distribution with differential phase shift keying”, New Journal of Physics, 24, 025008 (2022).
  2. M. Fujiwara, R. Nojima, T. Tsurumaru, S. Moriai, M. Takeoka, and M. Sasaki, “Long-term secure distributed storage using quantum key distribution network with third-party verification”, IEEE Transactions on Quantum Engineering, 3, 410011 (2022).
<2021>
  1. Y. Tsujimoto, K. Wakui, M. Fujiwara, M. Sasaki, and M. Takeoka, “Ultra-fast Hong-Ou-Mandel interferometry via temporal filtering”, Optics Express 29, 37150 (2021).
  2. A. Omi, A. Hosaka, M. Tomita, Y. Yamagishi, K. Wakui, S. Niimura, K. Takahashi, M. Takeoka, and F. Kannari, “Independently programmable frequency-multiplexed phase-sensitive optical parametric amplification in the optical telecommunication band”, Optics Express 29, 21683 (2021).
  3. K. Gümüş, T. A. Eriksson, M. Takeoka, M. Fujiwara, M. Sasaki, L. Schmalen, and A. Alvarado, “A novel error correction protocol for continuous variable quantum key distribution”, Scientific Reports 11:10465 (2021).
  4. H. Yang, R. Wojciech, J. Pritchard, and J. Jeffers, “Gaussian State-Based Quantum Illumination with Simple Photodetection”, Optics Express 29, 8199 (2021).
  5. D. E. Roberson, S. Izumi, W. Roga, J. S. Neergaard-Nielsen, M. Takeoka, and U. L. Andersen, “Limit of Gaussian operations and measurements for Gaussian state discrimination and its application to state comparison”, Physical Review A, 102, 032403 (2021).
<2020>
  1. K. Valson Jacob, E. Kaur, W. Roga, and M. Takeoka, “Franck-Condon factors via compressive sensing”, Physical Review A, 102, 032403 (2020).
  2. Y. Noblet,  S. Bennett,  P. Griffin, P. Murray, S. Marshall, W. Roga, J. Jeffers, and D. Oi, “Compact multispectral pushframe camera for nanosatellites”,
    Applied Optics 59, 8511 (2020).
  3. H. Endo, M. Fujiwara, M. Kitamura, O. Tsuzuki, R. Shimizu, M. Takeoka, and M. Sasaki, “Group key agreement over free-space optical links”, OSA Continuum, 3, 2525 (2020). (Editor’s pick up)
  4. W. Roga and M. Takeoka, “Classical simulation of boson sampling with sparse output”, Scientific Reports, 10:14739 (2020).
  5. K. Wakui, Y. Tsujimoto, M. Fujiwara, I. Morohashi, T. Kishimoto, F. China, M. Yabuno, S. Miki, H. Terai, M. Sasaki, and M. Takeoka, “Ultra-high-rate nonclassical light source with 50 GHz-repetition-rate mode-locked pump pulses and multiplexed single-photon detectors”, Optics Express, 28, 22399 (2020).
  6. T. A. Eriksson, R. S. Luis, B. J. Puttnam, G. Rademacher, M. Fujiwara, Y. Awaji, H. Furukawa, N. Wada, M. Takeoka, and M. Sasaki, “Wavelength division multiplexing of 194 continuous variable quantum key distribution channels”, Journal of Lightwave Technology, 38, 2214 (2020).
  7. E. O. Ilo-Okeke, B. Ilyas, L. Tessler, M. Takeoka, S. Jambulingam, J. P. Dowling, and T. Byrnes, “Relativistic corrections to photonic entangled states for the space-based quantum network”, Physical Review A, 101, 012322 (2020).
  8. Y. Tsujimoto, C. You, K. Wakui, M. Fujiwara, K. Hayasaka, S. Miki, H. Terai, M. Sasaki, J. P. Dowling, and M. Takeoka, “Heralded amplification of nonlocality via entanglement swapping”, New Journal of Physics, 22, 023008 (2020).
<2019>
  1. T. A. Eriksson, B. J. Puttnam, G. Rademacher, R. S. Luis, M. Fujiwara, M. Takeoka, Y. Awaji, M. Sasaki, and N. Wada, “Crosstalk impact on continuous variable quantum key distribution in multicore fiber transmission”, IEEE Photonics Technology Letters, 31, 467 (2019).
  2. T.A. Eriksson, T. Hirano, G. Rademacher, B. J. Puttnam, R. S. Luis, M. Fujiwara, R. Namiki, Y. Awaji, M. Takeoka, N. Wada, and M. Sasaki, “Wavelength division multiplexing of continuous variable quantum key distribution and 18.3 Tbit/s data channels”, Communications Physics 2:9 (2019).
  3. C. You, S. Adhikari, X. Ma, M. Sasaki, M. Takeoka, and J. P. Dowling, “Conclusive precision bounds for SU(1,1) interferometers”, Physical Review A, 99, 042122 (2019).
  4. Z. Xiao, T. Fuse, S. Ashhab, F. Yoshihara, K. Semba, M. Sasaki, M. Takeoka, J. P. Dowling, “Fast amplification and rephrasing of entangled cat states in a qubit-oscillator system”, Physical Review A, 99, 013827 (2019).
<2018>
  1. Y. Tsujimoto, K. Wakui, M. Fujiwara, K. Hayasaka, S. Miki, H. Terai, M. Sasaki, and M. Takeoka, “Optimal conditions for the Bell test using spontaneous parametric down-conversion sources”, Physical Review A, 98, 063842 (2018).
  2. H. Endo, M. Fujiwara, M. Kitamura, O. Tsuzuki, T. Ito, R. Shimizu, M. Takeoka, and M. Sasaki, “Free space optical secret key agreement”, Optics Express, 26, 23305 (2018).
  3. T. A. Eriksson, P. V. Trinh, H. Endo, M. Takeoka, and M. Sasaki, “Secret key rates for intensity-modulated dual-threshold detection key distribution under individual beam splitting attacks”, Optics Express, 26, 20409 (2018).
  4. M. Fujiwara, T. Ito, M. Kitamura, H. Endo, O. Tsuzuki, M. Toyoshima, H. Takenaka, Y. Takayama, R. Shimizu, M. Takeoka, R. Matsumoto, and M. Sasaki, “Free-space optical wiretap channel and experimental secret key agreement in 7.8 km terrestrial link”, Optics Express, 26, 19513 (2018).
  5. K. Sharma, M. M. Wilde, S.Adhikari, and M. Takeoka, “Bounding the energy-constrained quantum and private capacities of phase-insensitive bosonic Gaussian channels”, New Journal of Physics, 20, 063025 (2018).
  6. S. Izumi, M. Takeoka, K. Wakui, M. Fujiwara, K. Ema, and M. Sasaki, “Projective measurement onto arbitrary superposition of weak coherent state bases”, Scientific Reports, 8:2999 (2018).
  7. K. Yoshino, M. Fujiwara, K. Nakata, T. Sumiya, T. Sasaki, M. Takeoka, M. Sasaki, A. Tajima, M. Koashi, and A. Tomita, “Quantum key distribution with an efficient countermeasure against correlated intensity fluctuations in optical pulses”, npj Quantum Information, 4:8 (2018).
<2017>
  1. M. Takeoka, K. P. Seshadreesan, C. You, S. Izumi, and J. P. Dowling, “Fundamental precision limit of a Mach-Zehnder interferometric sensor when one of the inputs is the vacuum”, Physical Review A, 96, 052118 (2017).
  2. M. Takeoka, K. P. Seshadreesan, and M. M. Wilde, “Unconstrained capacities of quantum key distribution and entanglement distillation for pure-loss bosonic broadcast channels”, Physical Review Letters, 119, 150501 (2017).
  3. Y. Yonezu, K. Wakui, K. Furusawa, M. Takeoka, K. Semba, and T. Aoki, “Efficient single-photon coupling from a nitrogen-vacancy center embedded in a diamond nanowire utilizing an optical nanofiber, Scientific Reports, 7:12985 (2017).
  4. R. J. Collins, R. Amiri, M. Fujiwara, T. Hojo, K. Shimizu, K. Tamaki, M. Takeoka, M. Sasaki, E. Andersson, and G. Buller, “Experimental demonstration of quantum digital signatures over 43dB channel loss using differential phase shift quantum key distribution”, Scientific Reports 3:3235 (2017).
  5. R. Matsumoto and M. Takeoka, “Channel estimation for information theoretically secure key agreement with finite number of pilot signals”, IEICE Communications Express, 6, 209 (2017).
  6. K. Wakui, Y. Yonezu, T. Aoki, M. Takeoka, and K. Semba, “Simple method for fabrication of diamond nanowires by inductively coupled plasma reactive ion etching”, Japanese Journal of Applied Physics 56, 058005 (2017).
  7. M. Fujiwara, R. Wakabayashi, M. Sasaki, and M. Takeoka, “Wavelength division multiplexed and double-port pumped time-bin entangled photon pair generation using Si ring resonator”, Optics Express, 25, 3445 (2017).
<2016>
  1. R. Jin, R. Shimizu, M. Fujiwra, M. Takeoka, R. Wakabayashi, T. Yamashita, S. Miki, H. Terai, T. Gerrits, and M. Sasaki, “Simple method of generating and distributing frequency-entangled qudits”, Quantum Science and Technology, 1, 015004 (2016).
  2. R. Jin, M. Fujiwara, R. Shimizu, R. J. Collins, G. S. Buller, T. Yamashita, S. Miki, H. Terai, M. Takeoka, and M. Sasaki, “Detection-dependent six-photon Holland-Burnett state interference”, Scientific Reports, 6:36914 (2016).
  3. R. J. Collins, R. Amiri, M. Fujiwara, T. Honjo, K. Shimizu, K. Tamaki, M. Takeoka, E. Andersson, G. S. Buller, and M. Sasaki, “Experimental transmission of quantum digital signatures over 90 km of installed optical fiber using a differential phase shift quantum key distribution system”, Optics Letters, 41, pp. 4883 (2016).
  4. S. Izumi, M. Takeoka, K. Wakui, M. Fujiwara, K. Ema, and M. Sasaki, “Optical phase estimation via the coherent state and displaced-photon counting”, Physical Review A, 94, 033842 (2016).
  5. K. P. Seshadreesan, M. Takeoka, and M. M. Wilde, “Bounds on entanglement distillation and secret key agreement for quantum broadcast channels”, IEEE Transactions on Information Theory, 62, pp. 2849–2866 (2016).
  6. K. P. Seshadreesan, M. Takeoka, and M. Sasaki, “Progress towards practical device-independent quantum key distribution with spontaneous parametric down-conversion sources, on-off photodetectors, and entanglement swapping”, Physical Review A, 93, 042328 (2016).
<2015>
  1. R. Jin, T. Gerrits, M. Fujiwara, R. Wakabayashi, T. Yamashita, S. Miki, H. Terai, R. Shimizu, M. Takeoka, and M. Sasaki, “Spectrally resolved Hong-Ou-Mandel interference between independent photon sources”, Optics Express, 23, 28836 (2015).
  2. M. Sasaki, M. Fujiwara, R. Jin, M. Takeoka, T.-S. Han, K. Yoshino, T. Ochi, S. Asami, and A. Tajima, “Quantum photonic network: concept, basic tools, and future issues”, Journal of Selected Topics in Quantum Electronics, 21, 6400313 (2015) (Invited paper).
  3. M. Takeoka, R. Jin, and M. Sasaki, “Full analysis of multi-photon pair effects in spontaneous parametric down conversion based photonic quantum information processing”, New Journal of Physics, 17, 43030 (2015).
  4. R. Jin, M. Takeoka, U. Takagi, R. Shimizu, and M. Sasaki, “Highly efficient entanglement swapping and teleportation at telecom wavelength”, Scientific Reports 5: 9333 (2015).
<2014>
  1. R. Jin, R. Shimizu, I. Morohashi, K. Wakui, M. Takeoka, S. Izumi, T. Sakamoto, M. Fujiwara, T. Yamashita, S. Miki, H. Terai, Z. Wang, and M. Sasaki, “Efficient generation of twin photons at telecom wavelengths with 2.5 GHz repetition-rate-tunable comb laser”, Scientific Reports 4: 7468 (2014).
  2. M. Takeoka, S. Guha, and M. M. Wilde, “Fundamental rate-loss tradeoff for optical quantum key distribution”, Nature Communications 5: 5235 (2014).
  3. M. Takeoka, S. Guha, and M. M. Wilde, “Squashed entanglement of a quantum channel”, IEEE Transactions on Information Theory, 60, pp. 4987 (2014).
  4. K. Wakui, Y. Eto, H. Benichi, S. Izumi, T. Yanagida, K. Ema, T. Numata, D. Fukuda, M. Takeoka, and M. Sasaki, “Ultrabroadband direct detection of nonclassical photon statistics at telecom wavelength”, Scientific Reports, 4, 4535 (2014).
  5. M. Takeoka and S. Guha, “Capacity of optical communication in loss and noise with general quantum Gaussian receivers”, Physical Review A, 89, 042309 (2014).
  6. S. Guha, P. Hayden, H. Krovi, S. Lloyd, C. Lupo, J. H. Shapiro, M. Takeoka, M. M. Wilde, “Quantum enigma machines and the locking capacity of a quantum channel”, Physical Review X, 4, 011016 (2014).
<2013>
  1. M. Fujiwara, S. Izumi, M. Takeoka, and M. Sasaki, “Performance gain of displacement receiver with optimized prior probability”, Physics Letters A, 377, 2723 (2013).
  2. S. Izumi, M. Takeoka, K. Ema, and M. Sasaki, “Quantum receivers with squeezing and photon-number-resolving detectors for M-ary coherent state discrimination”, Physical Review A, 87, 042328 (2013).
<2012>
  1. S. Izumi, M. Takeoka,, M. Fujiwara, N. Dalla Pozza, A. Assalini, K. Ema, and M. Sasaki, “Displacement receiver for phase-shift-keyed coherent states”, Physical Review A, 86, 042328 (2012).
  2. C. R. Müller, M. A. Usuga, C. Wittmann, M. Takeoka, C. Marquardt, U. L. Andersen, and G. Leuchs, “Quadrature phase shift keying coherent state discrimination via a hybrid receiver”, New Journal of Physics, 14, 083009 (2012).
<2011>
  1. K. Tsujino, D. Fukuda, G. Fujii, S. Inoue, M. Fujiwara, M. Takeoka, and M. Sasaki, “Quantum receiver beyond the standard quantum limit of coherent optical communication”, Physical Review Letters, 106, 250503-1–4 (2011).
  2. M. Toyoshima, H. Takenaka, Y. Shoji, Y. Takayama, M. Takeoka, M. Fujiwara, and M. Sasaki, “Polarization-basis tracking scheme in satellite quantum key distribution”, International Journal of Optics, 2011, 254154 (2011).
  3. A. Waseda, M. Sasaki, M. Takeoka, M. Fujiwara, M. Toyoshima, and A. Assalini, “Numerical evaluation of PPM for deep-space links”, Journal of Optical Communications and Networking, 3, 514 (2011).
  4. M. Sasaki, M. Fujiwara, H. Ishizaka, W. Klaus, K. Wakui, M. Takeoka, S. Miki, T. Yamashita, Z. Wang, A. Tanaka, K. Yoshino, Y. Nambu, S. Takahashi, A. Tajima, A. Tomita, T. Domeki, T. Hasegawa, Y. Sakai, H. Kobayashi, T. Asai, K. Shimizu, T. Tokura, T. Tsurumaru, M. Matsui, T. Honjo, KI. Tamaki, H. Takesue, Y. Tokura, J. F. Dynes, A. R. Dixon, A. W. Sharpe, Z. L. Yuan, A. J. Shields, S. Uchikoga, M. Legre, S. Robyr, P. Trinkler, L. Monat, J.-B. Page, G. Ribordy, A. Poppe, A. Allacher, O. Maurhart, T. Laenger, M. Peev, and A. Zeilinger, “Field test of quantum key distribution in the Tokyo QKD Network”, Optics Express, 19, 10387 (2011).
  5. M. Takeoka, J. S. Neergaard-Nielsen, M. Takeuchi, K. Wakui, H. Takahashi, K. Hayasaka, and M. Sasaki, “Engineering of optical continuous-variable qubits via displaced photon subtraction: Multimode analysis”, Journal of Modern Optics, 58, 266 (2011).
  6. S. Guha, J. L. Habif, and M. Takeoka, “Approaching Helstrom limits to optical pulse-position demodulation using single photon detection and optical feedback”,　Journal of Modern Optics, 58, 257–265 (2011).
<2010>
  1. J. S. Neergaard-Nielsen, M. Takeuchi, K. Wakui, H. Takahashi, K. Hayasaka, M. Takeoka, and M. Sasaki, “Bridging discrete and continuous variables in quantum information”, Optics & Photonics News, p. 46, December (2010) <seceted as “Optics in 2010”>.
  2. J. S. Neergaard-Nielsen, M. Takeuchi, K. Wakui, H. Takahashi, K. Hayasaka, M. Takeoka, and M. Sasaki, “Optical continuous-variable qubit”, Physical Review Letters, 105, 053602 (2010).
  3. Y. Yoshida, M. Takeoka, and M. Sasaki, “Invariance of the bit error rate in the ancilla-assisted homodyne detection”, Physical Review A 82, 052303 (2010).
  4. C. Wittmann, U. L. Andersen, M. Takeoka, D. Sych, and G. Leuchs, “Discrimination of binary coherent states using a homodyne detector and a photon number resolving detector”, Physical Review A 81, 062338 (2010).
  5. K. Tsujino, D. Fukuda, G. Fujii, S. Inoue, M. Fujiwara, M. Takeoka, and M. Sasaki, “Sub-shot-noise-limited discrimination of on-off keyed coherent signals via a quantum receiver with a superconducting transition edge sensor”, Optics Express, 18, pp. 8107 (2010).
  6. C. Wittmann, U. L. Andersen, M. Takeoka, D. Sych, and G. Leuchs, “Demonstration of coherent-state discrimination using a displacement-controlled photon-number-resolving detector”, Physical Review Letters, 104, 100505 (2010).
  7. H. Takahashi, J. S. Neergaard-Nielsen, M. Takeuchi, M. Takeoka, K. Hayasaka, A. Furusawa, and M. Sasaki, “Entanglement distillation from Gaussian input states”, Nature Photonics, 4, 178 (2010).
  8. M. Takeoka, K. Tsujino, and M. Sasaki, “Cut-off rate analysis of practical quantum receivers”, Journal of Modern Optics, 57, 207 (2010).
  9. A. Waseda, M. Takeoka, M. Sasaki, M. Fujiwara, and H. Tanaka, “Quantum detection of wavelength-division-multiplexing optical coherent signals”, Journal of Optical Society of America B, 27, 259 (2010).
<Before 2009>
  1. H. Takahashi, K. Wakui, S. Suzuki, M. Takeoka, K. Hayasaka, A. Furusawa, and M. Sasaki, “Generation of large-amplitude coherent-state superposition via ancilla-assisted photon subtraction”, Physical Review Letters, 101, 233605 (2008).
  2. C. Wittmann, M. Takeoka, K. N. Cassemiro, M. Sasaki, G. Leuchs, and U. L. Andersen, “Demonstration of near-optimal discrimination of optical coherent states”, Physical Review Letters, 101, 210501 (2008).
  3. M. Takeoka and M. Sasaki, “Discrimination of the binary coherent signal: Gaussian-operation limit and simple non-Gaussian near-optimal receivers”, Physical Review A, 78, 022320 (2008).
  4. M. Sasaki, M. Takeoka, and H. Takahashi, “Temporally multiplexed superposition states of continuous variables”, Physical Review A, 77, 063840 (2008).
  5. M. Takeoka, H. Takahashi, and M. Sasaki, “Large-amplitude coherent-state superposition generated by a time-separated two-photon subtraction from a continuous-wave squeezed vacuum”, Physical Review A, 77, 062315 (2008).
  6. K. Hirosawa, F. Kannari, M. Takeoka, and M. Sasaki, “Quantum correlated pulse-pair generation during pulse-trapping propagation in optical fibers”, Physical Review A, 76, 043817 (2007).
  7. A. Chefles, A. Kitagawa, M. Takeoka, M. Sasaki, and J. Twamley, “Unambiguous discrimination among oracle operators”, Journal of Physics A: Mathematical and Theoretical, 40, 10183 (2007).
  8. M. Takeoka, M. Sasaki, and N. Lütkenhaus, “Implementing projective measurements with linear optics”, Quantum Communication, Measurement, and Computing, 8 pp. 413–416 (Ed. O. Hirota, J. H. Shapiro, and M. Sasaki, NICT press, Tokyo, 2007).
  9. A. Kitagawa, M. Takeoka, M. Sasaki, and A. Chefles, “Entanglement evaluation of non-Gaussian states generated by photon subtraction from squeezed states”, Quantum Communication, Measurement, and Computing, 8 pp. 509–512 (Ed. O. Hirota, J. H. Shapiro, and M. Sasaki, NICT press, Tokyo, 2007).
  10. M. Takeoka and M. Sasaki, “Conditional generation of an arbitrary superposition of coherent states”, Physical Review A, 75, 064302 (2007).
  11. M. Takeoka, “Projective measurements via linear optics and photon detectors”, Optics and Spectroscopy, 103, 98 (2007).
  12. A. Tada, K. Hirosawa, F. Kannari, M. Takeoka, and M. Sasaki, “Photon-number squeezing in a soliton-like Raman Stokes component during propagation of ultrashort pulses in a microstructure fiber”, Journal of Optical Society of America B, 24, 691 (2007).
  13. M. Takeoka, M. Sasaki, and N. Lütkenhaus, “Binary projective measurement via linear optics and photon counting”, Physical Review Letters, 97, 040502 (2006).
  14. S. Suzuki, M. Takeoka, M. Sasaki, U. L. Andersen, and F. Kannari, “Practical purification scheme for decohered coherent-state superpositions via partial homodyne detection”, Physical Review A, 73, 042304 (2006).
  15. A. Kitagawa, M. Takeoka, M. Sasaki, and A. Chefles, “Entanglement evaluation of non-Gaussian states generated by photon subtraction from squeezed states”, Physical Review A, 73, 042310 (2006).
  16. N. Takei, T. Aoki, S. Koike, K. Yoshino, K. Wakui, H. Yonezawa, T. Hiraoka, J. Mizuno, M. Takeoka, M. Ban, and A. Furusawa, “Experimental demonstration of quantum teleportation of a squeezed state”, Physical Review A, 72, 042304 (2005).
  17. A. Kitagawa, M. Takeoka, K. Wakui, M. Sasaki, “Effective squeezing enhancement via measurement-induced non-Gaussian operation and its application to the dense coding scheme”, Physical Review A, 72, 022334 (2005).
  18. M. Takeoka, “Discrimination of quantum states with linear optics and continuous photon counting”, Optics and Spectroscopy, 99, 418 (2005).
  19. K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, “Photon number squeezing of ultra-broadband laser pulses generated by microstructure fibers”, Physical Review Letters, 94, 203601 (2005).
  20. M. Takeoka, M. Sasaki, P. van Loock, and N. Lütkenhaus, “Implementation of projective measurements with linear optics and continuous photon counting”, Physical Review A, 71, 022318 (2005).
  21. M. Takeoka, M. Sasaki, P. van Loock, and N. Lütkenhaus, “Quantum state discrimination with linear optics and continuous measurement” Quantum Communication, Measurement, and Computing 7, pp. 67–70 (Ed. S. M. Barnett, E. Andersson, J. Jeffers, P. Öhberg, and O. Hirota, AIP, New York, 2004).
  22. M. Takeoka, M. Fujiwara, J. Mizuno, and M. Sasaki, “Implementation of generalized quantum measurements: superadditive quantum coding, accessible information extraction, and classical capacity limit”, Physical Review A, 69, 052329 (2004).
  23. J. A. Vaccaro, Y. Mitsumori, S. M. Barnett, E. Andersson, A. Hasegawa, M. Takeoka, and M. Sasaki, “Quantum data compression”, Springer-Verlag Computer Science, 2827, 98 (2003).
  24. Y. Mitsumori, J. A. Vaccaro, S. M. Barnett, E. Andersson, A. Hasegawa, M. Takeoka, and M. Sasaki, “Experimental demonstration of quantum source coding”, Physical Review Letters, 91, 217902 (2003).
  25. M. Takeoka, M. Ban, and M. Sasaki, “Unambiguous quantum-state filtering”, Physical Review A, 68, 012307 (2003).
  26. M. Takeoka, M. Ban, and M. Sasaki, “Practical scheme for the optimal measurement in quantum interferometric devices”, Physics Letters A, 313, 16 (2003).
  27. M. Fujiwara, M. Takeoka, J. Mizuno, and M. Sasaki, “Exceeding classical capacity limit in quantum optical channel”, Physical Review Letters, 90, 167906 (2003).
  28. M. Takeoka, M. Sasaki, and M. Ban, “Continuous variable teleportation as a quantum channel”, Optics and Spectroscopy, 94, 675 (2003).
  29. D. Fujishima, F. Kannari, M. Takeoka, and M. Sasaki, “Generation of entanglement between frequency bands via a nonlinear fiber propagation and a spectral pulse shaping”, Optics Letters, 28, 275 (2003).
  30. M. Takeoka and M. Sasaki, “Two-frequency-mode entanglement generation inside an optical pulse by a nonlinear fiber and spectral pulse shaping”, Quantum Communication, Measurement, and Computing 6, pp. 103–106 (Ed. J. H. Shapiro and O. Hirota, Rinton press, Princeton, 2003).
  31. M. Sasaki, M. Fujiwara, M. Takeoka, and J. Mizuno, “Quantum decoder for single photon communication”, Quantum Communication, Measurement, and Computing 6, pp. 185–188 (Ed. J. H. Shapiro and O. Hirota, Rinton press, Princeton, 2003).
  32. M. Ban, M. Sasaki, and M. Takeoka, “Continuous variable teleportation as a generalized thermalizing quantum channel”, Journal of Physics A: Mathematical and General, 35, L401 (2002).
  33. M. Takeoka, M. Ban, and M. Sasaki, “Quantum channel of continuous variable teleportation and nonclassicality of quantum states”, Journal of Optics B, 4, 114 (2002).
  34. M. Takeoka, D. Fujishima, and F. Kannari, “Optimization of ultrashort pulse squeezing by spectral filtering with the Fourier pulse shaping technique”, Optics Letters, 26, 1592 (2001).
  35. M. Takeoka, D. Fujishima, and F. Kannari, “Coherent control of the polarization of ultra short optical pulses using electromagnetically induced transparency”, Japanese Journal of Applied Physics, 40, 137 (2001).
  36. M. Takeoka, and F. Kannari, “Correlation of matched electric-fields in 4-level atoms via electromagnetically induced transparency”, Japanese Journal of Applied Physics, 39, L1249 (2000).
  37. Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, “A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity”, IEEE Journal of Quantum Electronics, 36, 607 (2000).
  38. M. Takeoka, T. Nakata, and F. Kannari, “Low-threshold amplification of VUV radiation in bichromatically driven rare gases”, Journal of the Optical Society of America B, 15, 2967 (1998).
  39. A. Uchida, M. Takeoka, T. Nakata, and F. Kannari, “Wide-range all-optical wavelength conversion using dual-wavelength pumped fiber Raman converter.”, Journal of Lightwave Technology, 16, 92 (1998).
  40. A. Uchida, T. Sato, M. Takeoka, and F. Kannari, “Suppression of chaotic oscillations in a diode-pumped microchip laser with frequency-shifted feedback”, Japanese Journal of Applied Physics, 36, L912 (1997).

 

Reviews

  1. 「光と物質の量子相互作用ハンドブック」（荒川泰彦（監修）、エヌ・ティー・エス、2023）第2章第5編「量子情報通信」（武岡正裕）
  2. 武岡 正裕、“量子情報通信ネットワーク技術の展望”、O plus E、2022年9・10月号、474頁 (2022).
  3. 前田 武（執筆）、武岡 正裕（監修）、“「量子暗号」の時代がやってきた！”、ニュートン、2021年5月号102-111頁 (2021).
  4. ニュートン別冊「数学の世界 現代編」、第3章126頁 “量子コンピューター時代を支える新たな暗号技術とは”、監修：高木 剛、武岡 正裕（株式会社ニュートンプレス、2021年3月）
  5. 保坂 有杜、富田 雅也、大見 聡仁、大塚 翼、山岸 優太、高橋 和輝、和久井 健太郎、逵本 吉朗、W. Roga、武岡 正裕、神成 文彦、“波長分割多重プログラマブル量子シミュレータ”、レーザー研究、第48巻第9号473-480頁（2020）
  6. 武岡 正裕、藤原 幹生、佐々木 雅英、“量子暗号ネットワークの研究開発動向”、電子情報通信学会通信ソサイエティマガジンB-plus、 54、秋号, pp. 126-132 (2020).
  7. 釼吉 薫、武岡 正裕、佐々木 雅英（取材協力）、“量子鍵配送ネットワークの国際標準化が本格的にスタート―ITU-Tで初の国際標準勧告が合意―”、電子情報通信学会誌 ニュースフラッシュ、 102, No. 12, pp. 1142-1143 (2019).
  8. 遠藤 寛之、藤原 幹生、武岡 正裕、佐々木 雅英、“日本における衛星量子暗号関連技術の研究開発”、月間OPTRONICS、第38巻第2号88-93頁（2019）
  9. 武岡 正裕、藤原 幹生、佐々木 雅英、“量子暗号技術の研究開発動向と展望”、ITUジャーナル、2018年12月号.
  10. アシュリー・スマート（武岡 正裕 訳）、“新しい高みに到達した量子もつれ”、パリティ、第33巻第6号30-32頁（2018）
  11. 武岡 正裕、仙場 浩一、佐々木 雅英、“量子情報通信技術研究開発の概要”、情報通信研究機構研究報告、 63, No. 1, pp. 5-8 (2017).
  12. 遠藤 寛之、藤原 幹生、北村 光雄、都筑 織衛、伊藤 寿之、清水 亮介、豊嶋 守生、竹中 秀樹、武岡 正裕、佐々木 雅英、“光空間通信における物理レイヤ暗号に向けた通信路推定実験”、情報通信研究機構研究報告、 63, No. 1, pp. 27-34 (2017).
  13. 武岡 正裕、藤原 幹生、和久井 健太郎、金 鋭博、逵本 吉朗、泉 秀蕗、佐々木 雅英、“光量子制御技術”、情報通信研究機構研究報告、 63, No. 1, pp. 41-46 (2017).
  14. “Lecture Notes in Physics 911: Principles and Methods of Quantum Information Technologies”, eds. Y. Yamamoto and K. Semba, Springer (2016), Chapter 2, “Quantum Communication for the Ultimate Capacity and Security”, M. Sasaki, M. Fujiwara, and M. Takeoka.
  15. 武岡 正裕，“量子暗号研究 日本の最前線を見る”，日経サイエンス 2016年8月号 54–55 (2016).
  16. 武岡 正裕，“新著紹介：「量子光学の基礎；量子の粒子性と波動性を統合する」（古澤明著、内田老鶴圃、2014年）”，日本物理学会誌， 69, No. 10, pp. 723–724 (2014).
  17. 和久井 健太郎，辻野 賢治，泉 秀蕗，武岡 正裕，佐々木 雅英，“標準量子限界を打ち破る量子受信器”，光学， 42, No. 10, pp. 506–511 (2013).
  18. 「基礎からの量子光学」（オプトロニクス社、松岡 正浩、江馬 一弘、平野 琢也、岩本 敏 監修（2009）、第3部第6章執筆.
  19. 武岡 正裕，“連続量変数の光量子計算と量子情報通信”，光学， 37, No. 12, pp. 692–697 (2008).
  20. 鈴木 重成，武岡 正裕，佐々木 雅英，U. L. Andersen，神成文彦，“ホモダイン検波によるコヒーレント重ね合わせ状態の純粋化”，日本物理学会誌，Vol. 62, No. 11, pp. 846–850 (2007).
  21. 武岡 正裕，“量子信号のデータ圧縮と誤り訂正の古典限界克服を目指して：その実装例”，オプトロニクス， 310, pp. 170–178 (2007).
  22. 「量子情報通信」（オプトロニクス社、佐々木 雅英、松岡 正浩 監修（2006）、第1部第5, 6章、第4部第3章執筆.
  23. 北川 晃，武岡 正裕，佐々木 雅英，A. Chefles，N. Lütkenhaus，“非ガウス型量子操作による信号制御と測定”，情報通信研究機構季報， 52, No. 3, pp. 77–85 (2006).
  24. 佐々木 雅英，藤原 幹生，武岡 正裕，“量子限界における情報通信”(招待論文)情報処理学会論文誌，特集「量子計算と量子情報」 46, No. 10, pp. 2417–2428 (2005).
  25. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第6回：光量子情報処理の実現に向けて”，レーザー研究， 33, No. 7, pp. 484–490 (2005).
  26. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第5回：光の量子状態”，レーザー研究， 33, No. 5, pp. 333–338 (2005).
  27. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第4回：量子情報処理プロトコルII「量子暗号」”，レーザー研究， 33, No. 3, pp. 194–200 (2005).
  28. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第3回：種々の量子情報処理プロトコルと量子計算”，レーザー研究， 33, No. 1, pp. 57–61 (2005).
  29. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第2回：量子テレポーテーション”，レーザー研究， 32, No. 11, pp. 722–726 (2004).
  30. 武岡 正裕，佐々木 雅英，“光量子情報処理入門　第1回：光子対の量子エンタングルメント”，レーザー研究， 32, No. 9, pp. 600–603 (2004).
  31. 佐々木 雅英，武岡 正裕，“量子通信路符号化”，応用物理， 72, No. 2, pp. 169–175 (2003).
  32. 武岡 正裕，藤島 大輔，神成 文彦，“非線形ファイバを用いた超短光パルススクイージング”，レーザー研究， 30, No. 8, pp. 443–449 (2002).
  33. 武岡 正裕，番 雅司，佐々木 雅英，“雑音環境下における非古典的量子状態の連続量量子テレポーテーション”，通信総合研究所季報， 48, No. 1, pp. 113–121 (2002).

Conferences

<2023>
  1. W. Roga, T. Ono, B. Chevalier, and M. Takeoka, “Universal quantum optical classifier on a silicon chip”, the 23rd Asian Quantum Information Science (AQIS2023), Seoul, Korea, August 28-September 1, 2023.
  2. K. Tanji, W. Roga, H. Takahashi, and M. Takeoka, “Rate-fidelity trade-off in entanglement distribution between distant ion-cavity systems”, the 23rd Asian Quantum Information Science (AQIS2023), Seoul, Korea, August 28-September 1, 2023.
  3. W. Roga, R. Ikuta, T. Horikiri, and M. Takeoka, “Efficient Dicke state distribution in network of lossy channels”, The 12th Advanced Lasers and Photon Sources (ALPS2023), Pacifico Yokohama, Yokohama, Japan, April 18-21, 2023.
  4. K. Tanji, W. Roga, H. Takahashi, and M. Takeoka, “Rate-fidelity trade-off in entanglement distribution between distant ion-cavity systems”, The 12th Advanced Lasers and Photon Sources (ALPS2023), Pacifico Yokohama, Yokohama, Japan, April 18-21, 2023.
<2022>
  1. M. Takeoka, “Quantum communication in network channels and multipartite entanglement distribution”, The International Symposium on Quantum Science, Technology, and Innovation (Quantum Innovation 2022), online, November 28-30, 2022 (Invited).
  2. 丹治 和史、Wojciech Roga、高橋 優樹、武岡 正裕、“離れたイオン-共振器系でのエンタングルメント生成における励起パルス波形の最適化”、第47回量子情報技術研究会（QIT47）、慶應義塾大学、2022年12月8-9日。
  3. 武岡 正裕、“量子通信と量子情報理論”、お茶の水大学物理教室談話会、オンライン、2022年7月13日（招待講義）。
  4. 武岡 正裕、“量子情報通信の研究動向と量子人材育成プログラムについて”、第4回 光材料・応用技術研究会、中央大学、2022年3月4日（招待講演）。
  5. 武岡 正裕、“量子暗号ネットワークの現状と20年後に向けた提言”、第35回 上田記念講演会、オンライン、2022年1月8日（招待講演）。
<2021>
  1. 武岡 正裕、“量子技術・NWの世界 ～技術の概要と研究開発の最新動向～”、電子情報通信学会関西支部イブニングセミナー、オンライン、2021年12月17日（招待講演）。
  2. 小野 貴史、Wojciech Roga、和久井 健太郎、藤原 幹生、三木 茂人、寺井 弘高、武岡 正裕、“光量子回路を使った量子分類器”、第82回応用物理学会秋季学術講演会、オンライン、2021年9月21-23日。
  3. 武岡 正裕、“量子暗号ネットワーク：量子ネットワークの第一歩”、CKP研究会、オンライン、2021年7月12日（招待講演）。
＜2020年以前の招待講演＞
  1. M. Takeoka, “Quantum key distribution network technologies toward quantum secure cloud”, Asia Communications and Photonics Conference (ACP2020), Beijing, China and online, October 24-27, 2020 (Invited).
  2. M. Takeoka, “Quantum key distribution network and its application”, Quantum Technology Seminar by Denmark and Japan STI Seminar, Niels Bohr Institute, Copenhagen, Denmark, November 21, 2019 (Invited).
  3. M. Takeoka, “Quantum Communication”, Fraunhofer-Japan High-level Dialogue on Quantum Technologies – Challenge and Potential for Real World Applications, Imperial Hotel Tokyo, Tokyo, Japan, October 10, 2019 (Invited).
  4. M. Takeoka, “Tokyo QKD network and its application to distributed storage network”, ITU Workshop on Quantum Information Technology (QIT) for Networks, Shanghai, China, June 5-7, 2019 (Invited).
  5. M. Takeoka, “Security of space communications and prospects of quantum cryptographic technologies”, International Symposium on Ensuring Stable Use of Outer Space, Tokyo, Japan, March 8-9, 2018 (Invited).
  6. M. Takeoka, Kaushik P. Seshadreesan, Mark M. Wilde, “Entanglement distillation and quantum key distribution in broadcast quantum channels”, XV International Conference on Quantum Optics and Quantum Information (ICQOQI2017), Minsk, Belarus, November 20-23, 2017 (Invited).
  7. M. Takeoka, Saikat Guha, and Mark M. Wilde, “Fundamental rate-loss tradeoff for optical quantum key distribution”, The first workshop on Macroscopic Quantum Coherence, Technical University of Denmark, Lyngby, Denmark, March 30-31, 2014 (Invited).
  8. M. Takeoka, “Quantum measurement for optical and quantum communications”, GCOE Symposium -Emerging Frontiers of Physics-, Kyoto University, Kyoto, Japan, February 21-22, 2011 (Invited).
  9. M. Takeoka, “Optical continuous variable quantum information processing by non-Gaussian operations”, Workshop on “Quantum technologies: information and communication”, Waseda University, Tokyo, Japan, December 9-11, 2009 (Invited).
  10. M. Takeoka, “Photon detections for continuous variable quantum information processing and quantum receivers”, Single Photon Workshop2009, NIST, Boulder, CO, USA, November 3-6, 2009 (Invited).
  11. M. Takeoka, Kenji Tsujino, and Masahide Sasaki, “Discrimination of optical coherent states via near-optimal quantum receivers”, SPIE Photonics West, San Jose, CA, USA, January 24-29, 2009 (Invited).
  12. M. Takeoka, “Implementation of quantum receivers for communication and sensing”, 2008 xQIT conference, Difficult problems in quantum information theory, MIT, Cambridge, MA, USA, November 19-20, 2008 (Invited).
  13. M. Takeoka, “Discrimination of binary optical quantum states”, Identifying quantum states and operations: theory and applications, Budmerice, Slovakia, June 20-24, 2007, (Invited).
  14. M. Takeoka, “Projective measurements via linear optics and photon detectors”, The XIth International Conference on Quantum Optics (ICQO2006), Minsk, Belarus, May 26-31, 2006, (Invited).
  15. M. Takeoka, “Discrimination of quantum states with linear optics and continuous photon counting”, The Xth International Conference on Quantum Optics (ICQO2004), Minsk, Belarus, May 30-June 3, 2004, (Invited).
  16. 武岡 正裕、“量子ネットワークの量子通信路容量について”、電子情報通信学会2020年総合大会、広島大学、2020年3月17-20日（招待講演）。
  17. 武岡 正裕、“衛星量子暗号について”、第8回ニュースペース研究会、X-NIHONBASHI、東京、2020年1月29日（招待講演）。
  18. 武岡 正裕、“量子暗号技術：量子鍵配送ネットワークの現状と展望”、電子情報通信学会ソサイエティ大会シンポジウム、大阪大学、2019年9月11日（招待講演）。
  19. 武岡 正裕、“量子暗号研究開発の最近の進展”、電子情報通信学会エレクトロニクスソサイエティ LQE/LSJ合同研究会、琵琶湖コンファレンスセンター、2019年5月30-31日（招待講演）。
  20. 武岡 正裕、“量子暗号・量子通信領域の研究開発”、JST-CRDSセミナー、JST、東京、2019年4月24日（招待講演）。
  21. 武岡 正裕、“量子暗号通信　－量子が拓く暗号新技術－”、三菱みなとみらい技術館サイエンスカフェ2018 量子科学の最前線、三菱港未来技術館、横浜、2019年2月10日（招待講演）。
  22. 武岡 正裕、“量子暗号関連の話題提供”、JST【量子アプリ】に関するワークショップ、文部科学省、東京、2018年11月15日（招待講演）。
  23. 武岡 正裕、“量子暗号技術の研究開発動向”、防衛装備庁技術シンポジウム2018、ホテルグランドヒル市ヶ谷、東京、2018年11月13－14日（招待講演）。
  24. 武岡 正裕、“量子暗号・量子通信研究の最新動向と日本の取り組み”、公益財団法人原総合知的通信システム基金特別セミナー「量子コンピュータ関連政策とブレークスルー」、紀尾井フォーラム、東京、2017年12月20日（招待講演）。
  25. 武岡 正裕、“量子通信技術の研究開発と展望”、日本ITU協会 第66回情報通信研究会、ホテルグランドヒル市ヶ谷、東京、2017年10月19日（招待講演）。
  26. 武岡 正裕、“量子暗号・量子通信の通信路容量について”、第6回量子論の理論及び実験に関する研究会、高知工科大学、2017年１月8-9日（招待講演）。
  27. 武岡 正裕、“量子暗号技術の現状と今後の展望”、応用電子物性分科会研究例会「量子通信技術の最前線」、首都大学東京秋葉原サテライトキャンパス、2016年12月6日（招待講演）。
  28. 武岡 正裕，“コヒーレント状態の光を用いた量子通信・量子計測”，第75回応用物理学会秋季学術講演会シンポジウム「量子計測技術における新展開」，北海道大学，2014年9月17-20日（招待講演）。
  29. 武岡 正裕，“量子情報通信の現状と展望”，応用物理学会・量子エレクトロニクス研究会「量子情報の最前線と今後10年の展開」，上智大学軽井沢セミナーハウス，2010年1月9日（招待講演）。
  30. 武岡 正裕，“光の量子測定の物理的構成法に関する理論研究”，日本物理学会 第64回年次大会，立教大学，2009年3月27日（招待講演）。
  31. 武岡 正裕，“量子情報通信：研究の原状と展望”，文科省科研費補助金 特定領域研究「新世代光通信へのイノベーション」 第2回量子情報ミニ研究会，有馬，2008年7月7-8日（招待講演）。
  32. 武岡 正裕，和久井 健太郎，佐々木 雅英，“量子符号化：原理実証から非ガウス制御の実現に向けて”，第11回量子情報技術研究会(QIT11)，京都大学，2004年12月6-7日（招待講演）。
  33. 武岡 正裕，佐々木 雅英，“量子情報通信の基本問題と最近の進展”，学振未踏・ナノデバイステクノロジー第151委員会第67回研究会，伊東，2004年1月29-30日（招待講演）。
＜2015～2020年の一般講演＞
  1. Aruto Hosaka, Akihito Omi, Yoshiaki Tsujimoto, Kentaro Wakui, Masahiro Takeoka, Fumihiko Kannari, “Programmable control of multimode squeezed state in the frequency domain”, The 9th Advanced Lasers and Photon Sources (ALPS2020), Pacifico Yokohama, Yokohama, Japan, April 20-23, 2020.
  2. Kazuki Takahashi, Yoshiaki Tsujimoto, Aruto Hosaka, Yuta Yamagishi, Akihito Omi, Kentaro Wakui, Mikio Fujiwara, Yutaka Shikano, Masahiro Takeoka, Fumihiko Kannari, “Scalable and programmable linear optical quantum circuit in the frequency domain”, The 9th Advanced Lasers and Photon Sources (ALPS2020), Pacifico Yokohama, Yokohama, Japan, April 20-23, 2020.
  3. Eneet Kaur, Masahiro Takeoka, Mark M. Wilde, and Wojciech Roga, “Multipartite entanglement and secret key distribution in quantum networks”, 22nd Annual Southwest Quantum Information and Technology Workshop (SQuinT), Eugene, Oregon, USA, February 8-10, 2020.
  4. Wojciech Roga, Masahiro Takeoka, and Fumihiko Kannari, “Molecular vibronic spectra from boson sampling and compressive sensing”, International Symposium on Quantum Technologies (ISQT2019), Kyoto, Japan December 16-17, 2019.
  5. Yoshiaki Tsujimoto, Kentaro Wakui, Mikio Fujiwara, Masahiro Takeoka, and Fumihiko Kannari, “Heralded amplification of nonlocality via entanglement swapping”, International Symposium on Quantum Technologies (ISQT2019), Kyoto, Japan December 16-17, 2019.
  6. Aruto Hosaka, Yoshiaki Tsujimoto, Seitaro Niimura, Akihito Omi, Kentaro Wakui, Mikio Fujiwara, Masahiro Takeoka, and Fumihiko Kannari, “Boson Sampling without Beam Splitters”, International Symposium on Quantum Technologies (ISQT2019), Kyoto, Japan December 16-17, 2019.
  7. Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Orie Tsuzuki, Ryosuke Shimizu, Masahiro Takeoka, and Masahide Sasaki, “Free-space optical secret key agreement with post-selection based on channel state information”, SPIE Remote Sensing, Strasbourg, France, September 11-12, 2019.
  8. Tobias Eriksson, Takuya Hirano, Benjamin Puttnam, Georg Rademacher, Ruben Luís, Mikio Fujiwara, Ryo Namiki, Yoshinari Awaji, Masahiro Takeoka, Naoya Wada and Masahide Sasaki, “Continuous variable quantum key distribution multiplexed with high throughput coherent channels”, 9th International Conference on Quantum Cryptography (QCrypt 2019), Montreal, Canada, August 26-30, 2019.
  9. Yoshiaki Tsujimoto, Chenglong You, Kentaro Wakui, Mikio Fujiwara, Kazuhiro Hayasaka, Shigehito Miki, Hirotada Terai, Masahide Sasaki, Jonathan P. Dowling, and Masahiro Takeoka, “An optimal strategy to recover nonlocality of polarization-entangled state from a SPDC source via entanglement swapping relay”, CLEO/Europe-EQEC, Munich, Germany, June 23-27, 2019.
  10. Aruto Hosaka, Masaya Tomita, Yoshiaki Tsujimoto, Seitaro Niimura, Akihito Omi, Kentaro Wakui, Mikio Fujiwara, Yutaka Shikano, Masahiro Takeoka, and Fumihiko Kannari, “Frequency-domain Linear Interferometer with Spectrally Shaped Photons”, CLEO/Europe-EQEC, Munich, Germany, June 23-27, 2019.
  11. Yuya Yonezu, Kentaro Wakui, Kentaro Furusawa, Masahiro Takeoka, Kouichi Semba, and Takao Aoki, “Efficient single-photon coupling from nitrogen-vacancy center in diamond nanowire utilizing optical nanofiber”, 10th International Conference on Materials for Advanced Technologies (ICMAT2019), Singapore, June 23-28, 2019 (Invited).
  12. Aruto Hosaka, Masaya Tomita, Yoshiaki Tsujimoto, Seitaro Niimura, Akihito Omi, Kentaro Wakui, Mikio Fujiwara, Yutaka Shikano, Masahiro Takeoka, and Fumihiko Kannari, “Hong-Ou-Mandel Interference between Photons Encoded with Orthogonal Spectra”, The 8th Advanced Lasers and Photon Sources (ALPS2019), Yokohama, Japan, April 22-25 2019.
  13. Tobias A. Eriksson, Takuya Hirano, Georg Rademacher, Benjamin J. Puttnam, Ruben S. Luís, Mikio Fujiwara, Ryo Namiki, Yoshinari Awaji, Masahiro Takeoka, Naoya Wada, and Masahide Sasaki, “Joint Propagation of Continuous Variable Quantum Key Distribution and 18 × 24.5 Gbaud PM-16QAM Channels”,44th European Conference on Optical Communication (ECOC), Rome, September 23-27, 2018.
  14. Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Orie Tsuzuki, Toshiyuki Ito, Ryosuke Shimizu, Masahiro Takeoka, and Masahide Sasaki, “Channel characterization for three- party identical key agreement in free-space optical communication”, Second Workshop on the Protection of Long-Lived Systems (PLLS2018), Parnu, Estonia, September 17-18, 2018.
  15. Yoshiaki Tsujimoto, Kentaro Wakui, Mikio Fujiwara, Kazuhiro Hayasaka, Shigehito Miki, Hirotaka Terai, Masahide Sasaki, and Masahiro Takeoka, “Optimal conditions for Bell test using a spontaneous parametric down- conversion source”, 8th International Conference on Quantum Cryptography (QCrypt 2018), Shanghai, China, August 27-31, 2018.
  16. Tobias A. Eriksson, Takuya Hirano, Georg Rademacher, Benjamin J. Puttnam, Ruben S. Luís, Mikio Fujiwara, Ryo Namiki, Ken-ichiro Yoshino, Akio Tajima, Yoshinari Awaji, Masahiro Takeoka, Naoya Wada, and Masahide Sasaki”, Continuous Variable Quantum Key Distribution Multiplexed with Classical Channels”, 8th International Conference on Quantum Cryptography (QCrypt 2018), Shanghai, China, August 27-31, 2018.
  17. Masahiro Takeoka, Kaushik P. Seshadreesan, Chenglong You, Shuro Izumi, and Jonathan P. Dowling, “Fundamental precision limit of an interferometric sensor when one of the input is the vacuum”, SPIE Optics+Photonics 2018, San Diego, USA, August 19-23, 2018.
  18. Tobias A. Eriksson, Takuya Hirano, Motoharu Ono, Mikio Fujiwara, Ryo Namiki, Ken-ichiro Yoshino, Akio Tajima, Masahiro Takeoka, and Masahide Sasaki, “Coexistence of Continuous Variable Quantum Key Distribution and 7 x 12.5 Gbit/s Classical Channels”, IEEE Summer Topicals Meeting Series, Hawaii, USA, July 9-11, 2018.
  19. Kunal Sharma, Mark M. Wilde, Sushovit Adhikari, and Masahiro Takeoka, “Bounding the energy-constrained quantum and private capacities of phase-insensitive quantum Gaussian channels”, The International Conference on Quantum Communication, Measurement, and Computing 2018 (QCMC2018), Baton Rouge, USA, March 12-16, 2018.
  20. Masahiro Takeoka, Kaushik P. Seshadreesan, Mark M. Wilde, “Unconstrained capacities of quantum key distribution and entanglement distillation for pure-loss bosonic broadcast channels”, The International Conference on Quantum Communication, Measurement, and Computing 2018 (QCMC2018), Baton Rouge, USA, March 12-16, 2018.
  21. Yuya Yonezu, Kentaro Wakui, Kentaro Furusawa, Masahiro Takeoka, Koichi Semba, and Takao Aoki, “Efficient single-photon coupling between an optical nanofiber and a diamond nanowire”, International School and Symposium on Nanoscale Transport and Photonics (ISNTT2017), Atsugi, Kanagawa, Japan, November 13-17, 2017.
  22. Masahiro Takeoka, Kaushik Seshadreesan and Mark Wilde, “Unconstrained capacities of quantum key distribution and entanglement distillation for pure-loss bosonic broadcast channels”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  23. Mikio Fujiwra, Ryota Wakabayashi, Masahide Sasaki, and Masahiro Takeoka, “Double-port pumped time-bin entangled photon pair generation using Si ring resonator”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  24. Robert Collins, Ryan Amiri, Mikio Fujiwara, Toshimori Honjo, Kaoru Shimizu, Kiyoshi Tamaki, Masahiro Takeoka, Ross Donaldson, Masahide Sasaki, Erika Andersson and Gerald Buller, “Quantum digital signatures transmitted over a channel loss equivalent to 134km”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  25. Ken-Ichiro Yoshino, Mikio Fujiwara, Kensuke Nakata, Tatsuya Sumiya, Toshihiko Sasaki, Masahiro Takeoka, Masahide Sasaki, Akio Tajima, Masato Koashi and Akihisa Tomita, “Quantum key distribution with an efficient countermeasure against intensity fluctuations in optical pulses”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  26. Akihisa Tomita, Ken-Ichiro Yoshino, Mikio Fujiwara, Tatsuya Sumiya, Toshihiko Sasaki, Kensuke Nakata, Akio Tajima, Masato Koashi, Masahiro Takeoka and Masahide Sasaki, “An efficient countermeasure against correlated intensity fluctuations in optical pulses on high-speed decoy BB84 QKD systems”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  27. Tatsuya Sumiya, Toshihiko Sasaki, Masato Koashi, Ken-Ichiro Yoshino, Mikio Fujiwara, Kensuke Nakata, Masahiro Takeoka, Masahide Sasaki, Akio Tajima and Akihisa Tomita, “Security of decoy-state QKD with alternate key distillation”, 7th International Conference on Quantum Cryptography (QCrypt 2017), Cambridge, UK, September 18-22, 2017.
  28. Robert J. Collins, Ross J. Donaldson, Ryan Amiri, Erika Andersson, Mikio Fujiwara, Masahiro Takeoka, Masahide Sasaki, and Gerald S. Buller, “Quantum digital signatures in optical fiber networks”, SPIE Optics+optoelectronics, Prague, Czech Republic, April 24-27, 2017 (Invited).
  29. Yuya Yonezu, Kentaro Wakui, Kentaro Furusawa, Masahiro Takeoka, Koichi Semba, and Takao Aoki, “Efficient coupling system between optical nanofiber and diamond nanowire”, Interdisciplinary Workshop on Quantum Device 2017 (IWQD2017), NII, Tokyo, Japan, March 6-8, 2017.
  30. Kentaro Wakui, Yuya Yonezu, Kentaro Furusawa, Masahiro Takeoka, Takao Aoki, and Koichi Semba, “Toward efficient quantum nanophotonics using diamond nanowire and optical nano fiber”, JSAP Workshop on Quantum Information and Related Fields, NII, Tokyo, Japan, March 2-3, 2017, (Invited).
  31. Robert Collins, Mikio Fujiwara, Ryan Amiri, Masahiro Takeoka, Erika Andersson, Gerald S. Buller, and Masahide Sasaki, “Photonic quantum digital signatures operating over kilometer ranges in installed optical fiber”, SPIE Security and Defense 2016, Edinburgh, UK, September 26-29, 2016.
  32. Robert Collins, Ross Donaldson, Ryan Amiri, Mikio Fujiwara, Toshimori Honjo, Kaoru Shimizu, Kiyoshi Tamaki, Masahiro Takeoka, Petros Wallden, Vedran Dunjko, Masahide Sasaki, Erika Andersson, John Jeffers, and Gerald Buller, “Kilometer Transmission Range Quantum Digital Signatures”, 6th International Conference on Quantum Cryptography (QCrypt2016), Washington DC, USA, September 12-16, 2016.
  33. Masahiro Takeoka, Kaushik P. Seshadreesan, and Mark M. Wilde, “Unconstrained distillation capacities of a pure-loss bosonic broadcast channel”, The 16th Asian Quantum Information Science (AQIS2016), Taipei, Taiwan, August 28 – September 2, 2016.
  34. Masahiro Takeoka, Kaushik P. Seshadreesan, and Mark M. Wilde, “Unconstrained distillation capacities of a pure-loss bosonic broadcast channel”, 2016 IEEE International Symposium on Information Theory (ISIT2016), Barcelona, Spain, July 10-15, 2016.
  35. Rui-Bo Jin, Mikio Fujiwara, Ryosuke Shimizu, Robert J. Collins, Gerald S. Buller, Taro Yamashita, Shigehito Miki, Hirotaka Terai, Masahiro Takeoka, Masahide Sasaki, “Detection-dependent six-photon NOON state interference”, The 13th International Conference on Quantum Communication, Measurement and Computing (QCMC2016), Singapore, July 4-8, 2016.
  36. Mikio Fujiwara, Toshiyuki Ito, Mitsuo Kitamura, Hiroyuki Endo, Morio Toyoshima, Hideki Takenaka, Yoshihisa Takayama, Ryosuke Shimizu, Masahiro Takeoka, Ryutaro Matsumoto, Masahide Sasaki, “Secret key agreement demonstration over 7.8 km free-space optical channel”, The 13th International Conference on Quantum Communication, Measurement and Computing (QCMC2016), Singapore, July 4-8, 2016.
  37. Masahiro Takeoka, Kaushik P. Seshadreesan, and Mark M. Wilde, “Unconstrained distillation capacities of a pure-loss bosonic broadcast channel”, 13th Central European Quantum Information Processing Workshop, Valtice, Czech Republic, June 16-19, 2016.
  38. Kaushik P. Seshadreesan, Masahiro Takeoka, and Mark M. Wilde, “Squashed entanglement bounds on entanglement distillation and secret key agreement capacities of quantum channels”, 19th Conference on Quantum Information Processing (QIP2016), Banff, Alberta, Canada, January 10-15, 2016.
  39. Kaushik P. Seshadreesan, Masahiro Takeoka, and Mark M. Wilde, “Bounds on entanglement distillation and secret key agreement for quantum broadcast channel”, Meeting on Quantum Information Processing and Applications (QIPA-2015), Allahabad, India, December 7-13, 2015.
  40. Kaushik Seshadreesan, Masahiro Takeoka, and Mark M. Wilde, “Bounds on entanglement distillation and secret key agreement for quantum broadcast channel”, 5th International Conference on Quantum Cryptography (QCrypt 2015), Tokyo, Japan, September 28-October 2, 2015.
  41. Ruibo Jin, Thomas Gerrits, Mikio Fujiwara, Masahiro Takeoka, Ryota Wakabayashi, Taro Yamashita, Shigehito Miki, Ryosuke Shimizu, Hirotaka Terai, and Masahide Sasaki, “Spectral correlation measurement in Hong-Ou-Mandel interference between two independent sources”, 5th International Conference on Quantum Cryptography (QCrypt 2015), Tokyo, Japan, September 28-October 2, 2015.
  42. Ruibo Jin, Thomas Gerrits, Mikio Fujiwara, Masahiro Takeoka, Ryota Wakabayashi, Taro Yamashita, Shigehito Miki, Sae Woo Nam, Hirotaka Terai, and Masahide Sasaki, “Spectrally resolved nonclassical interference between independent sources”, Single Photon Workshop 2015 (SPW2015), Geneva, Switzerland, July 13-17, 2015.
  43. Ruibo Jin, Ryosuke Shimizu, Isao Morohashi, Kentaro Wakui, Masahiro Takeoka, Shuro Izumi, Takahide Sakamoto, Mikio Fujiwara, Taro Yamashita, Shigehito Miki, Hirotaka Terai, Zhen Wang, and Masahide Sasaki, “Efficient generation of twin photons at telecom wavelengths with 10 GHz repetition-rate-tunable comb laser”, Quantum Electronics and Laser Science Conference (CLEO/QELS2015), San Jose, CA, USA, May 10-15, 2015.