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Our Researchers

February 27, 2023

Ken-ichiro Yoshino

Ken-ichiro Yoshino

Research Engineer
Master of Engineering

Research area

  • Quantum Cryptography


Title Date of issue Journal
Quantum key distribution with an efficient countermeasure against correlated intensity fluctuations in optical pulses 9 February, 2018 npj Quantum Information, volume 4, Article number: 8
Maintenance-free operation of WDM quantum key distribution system through a field fiber over 30 days 12 December, 2013 Optics Express, Vol. 21, No. 25, 31395
High-speed wavelength-division multiplexing quantum key distribution system 15 January, 2012 OPTICS LETTERS, Vol. 37, No. 2, 223
Generation of continuous-wave broadband entangled beams using periodically poled lithium niobate waveguides 25 January, 2007 Applied Physics Letters, Volume 90, 041111
*The followings are co-authored papers.
Intensity fluctuation of a gain-switched semiconductor laser for quantum key distribution systems 23 January, 2017 Optics Express, Vol. 25, No. 2, 622
Time-bin entangled photon pair generation from Si micro-ring resonator 16 January, 2015 Optics Express, Vol. 23, No. 2, 1103
Quantum Photonic Network: Concept, Basic Tools, and Future Issues 12 November, 2014 IEEE Journal of Selected Topics in Quantum Electronics, VOL. 21, NO. 3, 6400313
Modified E91 protocol demonstration with hybrid entanglement photon source 29 May, 2014 Optics Express, Vol. 22, No. 11, 13616
High-Speed Quantum Key Distribution System for 1-Mbps Real-Time Key Generation 10 February, 2012 IEEE JOURNAL OF QUANTUM ELECTRONICS, VOL. 48, NO. 4, 542
Transmission Experiment of Quantum Keys over 50 km Using High-Performance Quantum-Dot Single-Photon Source at 1.5 µm Wavelength 10 September, 2010 Japanese Journal of Applied Physics, Volume 3, Number 9
Performance of hybrid entanglement photon pair source for quantum key distribution 29 December, 2009 Applied Physics Letters, Volume 95, 261103
One-Way Quantum Key Distribution System Based on Planar Lightwave Circuits 8 June, 2006 Japanese Journal of Applied Physics, Volume 45, Part 1, Number 6A
Conference presentations
Title Date of presentation Conference
Development of post–processing board for efficiently biased random bits August 2019 QCrypt2019
Development of practical post–processing board connecting random number generators and QKD system August 2018 QCrypt2018
QKD with an efficient countermeasure against intensity fluctuations in optical pulses September 2017 QCrypt2017
Secure quantum key distribution against pattern effects of optical pulse intensities September 2016 QCrypt2016
Quantum key distribution system using wavelength-division multiplexing September 2015 UQCC2015
Long-term Field Demonstration of WDM Quantum Key Distribution System with Stabilization Control June 2013 CLEO-PR
WDM Quantum Key Distribution System Using Dual-mode Single Photon Detectors July 2012 QCMC2012
Field Demonstration of High-speed Wavelength-division Multiplexing Quantum Key Distribution System and its Stabilized Operation July 2012 OECC2012
Hybrid entanglement photon pair source for fiber-space flexible QKD network May 2011 ICSOS2011

Academic/professional career summary

March 2005
Master of Applied Physics, University of Tokyo
April 2005