Kiyoshi Tamaki

Born 1975 in Fukuoka, Japan, Kiyoshi Tamaki got his M.Sc. and diploma in theoretical physics at Tokyo Institute of Technology in Japan. From April in 2001 to March in 2004, he had been a Ph.D student supervised by Prof. Masato Koashi at Prof. Nobuyuki Imoto's group in the Graduate University for Advanced Studies (SOKENDAI), Japan. During his Ph.D course, he had visited Prof. Norbert Luetkenhaus's group at the University Erlangen-Nuremberg in Germany for half a year. After getting his Ph.D degree, he worked at the Perimeter Institute for Theoretical Physics in Canada, under a support of Prof. Daniel Gottesman. Now, he is working as a postdoctoral fellow for Prof. Hoi-Kwong Lo's group in the University of Toronto in Canada. Contact: Email: ktamaki at physics dot utoronto dot ca

Reserch interest:

I am interested in Quantum information theory. I have been working mainly on security proofs of several different kinds of Quantum Key Distribution protocols, including Bennett 1992 protocol, three state protocol, and SARG04.

List of Publications:

Kiyoshi Tamaki and Hoi-Kwong Lo, ``Unconditionally secure polarization based Quantum Key Distribution with laser pulses implementations'', (2004), ( quant-ph/0412035 ).

Jean-Christian Boileau, Kiyoshi Tamaki, Jamie Batuwantudawe, and Raymond Laflamme, ``Unconditional Security of Three State Quantum Key Distribution Protocols'', (2004), ( quant-ph/0408085 ).

Kiyoshi Tamaki, and Norbert Luetkenhaus, ``Unconditional Security of the Bennett 1992 quantum key-distribution over lossy and noisy channel'', Phys. Rev. A 69, 032316 (2004), ( quant-ph/0308048 ).

Kiyoshi Tamaki, Masato Koashi, and Nobuyuki Imoto, ``Unconditionally Secure Key Distribution Based on Two Nonorthogonal States '', Phys. Rev. Lett. 90, 167904 (2003), ( quant-ph/0212162 ).

Kiyoshi Tamaki, Masato Koashi, and Nobuyuki Imoto, ``Security of the Bennett 1992 quantum-key distribution against individual attack over a realistic channel'', Phys. Rev. A 67, 032310 (2003), ( quant-ph/0212161 ).

Adam Miranowicz and Kiyoshi Tamaki, ``An Introduction to Quantum Teleportation'' , Math. Sciences (Suri-Kagaku) 473, 28--34 (2002), ( quant-ph/0302114 ).

Takashi Yamamoto, Kiyoshi Tamaki, Masato Koashi, Nobuyuki Imoto, ``Polarization Entangled W State using Parametric Down-Conversion'', Phys. Rev. A 66, 064301 (2002), ( quant-ph/0208162 ).

Invited Conference Talk:

``Unconditional security of the Bennett 1992 quantum key-distribution protocol over a noisy and lossy channel'' The 7th Workshop on Quantum Information Processing ( QIP 2004 ), Waterloo, Canada, 15-19 Jan, 2004.

Awards:

Nagakura Research Incentive Award (March, 2004)

The Graduate University for Advanced Studies (SOKENDAI) Reserch Award (March, 2004)