NTT BASIC RESEARCH LABORATORY NTT

Kazuhiro Igeta

Japanese

Research Projects

Present
Fundamental Limit to Controlling qubit(s)
Prescription for Integrating Quantm Logics to Quantum Circuits
                                     and the cirtuits to Quantum Turing Machines
Cost of Information Erasure and  Maxwell's Demon Exorcism

Past
Cavity QED
Thermodynamical Limit of Computation

Pubulication List
Y. Yamamoto, S. Machida, Y. Horikoshi, K. Igeta, and G. Björk:
Enhanced and Inhibited Spontaneous Emission of Free Excitons in GaAs Quantum Wells in a Microcavity,
Opt. Commun. 80, 337-342 ( 1991)

G. Björk, S. Machida, Y. Yamamoto, and K. Igeta:
Modification of Spontaneous Emission Rate in Planar Dielectric Microcavity Structures,
Phys. Rev. A 44, 669-681 (July 1991)

K. Igeta and T. Ogawa "Information Dissipation in Quantum Chaotic Systems"
chaos solitionsand Fractals 5 '95 pp.1365 (1995)

International Conferences
K. Igeta and Y. Yamamoto "Quantum Mechanical Computers with single Atom and Photon Fields "
in Technical Digest of the XVI international Conference on Quantum Electronics, IQEC'88 pp.310

 Y. Yamamoto, M. Kitagawa, and K. Igeta:  Quantum Mechanical Aspects of Optical Communication and Optical Computing, in Proceedings of the 3rd Asia Pacific Physics Conference, eds. Y. W. Chan, A. F. Leung, C. N. Yang, and K. Young (World Scientific, New Jersey, 1988), pp. 779-799.

Y. Yamamoto, S. Machida, K. Igeta, M. Ueda, and O. Nilsson:
Generation of Number-Phase Squeezed States and Single Photon States by Semiconductor Lasers,
Winter Colloquium on Quantum Electronics, Snowbird, Utah (January 1989)

Y. Yamamoto, S. Machida K. Watanabe, K. Igeta, M. Ueda, and H. A. Haus:
Generation and Quantum Nondemolition Measurement of Number-Phase Squeezed States of Light, in Atomic Physics II, eds. S. Haroche, J. C. Gay, and G. Grynberg (World Scientific, New Jersey, 1989), pp. 483-501.

Y. Yamamoto, S. Machida, K. Igeta, and Y. Horikoshi:
Enhanced and Inhibited Spontaneous Emission from GaAs Quantum Wells by Modified Vacuum Field Fluctuations,  6th Rochester Conference on Coherence and Quantum Optics, Rochester, New York (June 1989)

K. Igeta, S. Machida, Y. Yamamoto, and Y. Horikoshi:
Enhanced Spontaneous Emission from a GaAs Quantum Well in a Microcavity,
Gordon Research Conference on Nonlinear Optics and Lasers, Wolfeboro, Massachusetts (July 1989) [Invited]

Y. Yamamoto, S. Machida, W. H. Richardson, K. Igeta, and G. Björk:  Squeezing and Cavity QED in a GaAs Quantum Well Laser, International Quantum Electronics Conference,  Anaheim, California (May 1990)

Y. Yamamoto, S. Machida, K. Igeta, and G. Björk:  Microcavity Semiconductor Laser with Enhanced Spontaneous Emission, European Conference on Optical Communications, Amsterdam, The Netherlands (September 1990).

Y. Yamamoto, S. Machida, K. Igeta, and G. Björk: Controlled Spontaneous Emission in Microcavity Semiconductor Lasers,  in Coherence, Amplification, and Quantum Effects in Semiconductor Lasers,
ed. Y. Yamamoto (John Wiley & Sons, Inc., New York, 1991), pp. 561-615.

K. Igeta ``Physical Meaning of Compulation "  in Proc. of the Workshop on Physics and Computation, PhysComp '92,  (IEEE computer society press, 1992), PP184

K. igeta ``Physical Meaning of Computation"
in Proc. of the International Symposia on Information Sciences(ISKIT'92) pp.93

K. Igeta and N. Imoto "Decoherence and Error in a Two-State Logic Element"
International Workshop on Quantum Mechanical Computer (QMC '95), 1995

K. Igeta, B.Huttner and N. Imoto, ``Controlling atomic states by optical plulses"
Technical Digest of the Pacific Rim Conference on Lasers and Electro-Optics,pp.145 (1995)

K. Igeta, B.Huttner and N. Imoto, ``Intrinsic limit of classical and quantum computational devices"
in Proc. of the Workshop on Physics and Computation, PhysComp '96

N. Imoto, K. Igeta and M. Koashi "Limit of controlling quantum bits by coherent lights,"
US-Japan Seminar on Manipulation of Matter by Coherent Light, Kusatsu, Sept. 1-5, 1997.

K. Igeta, N. Imoto and M. Koashi, `` Optical Control of a Qubit under Power Constraint;
Technical Digest of the Pacific Rim Conference on Lasers and Electro-Optics,pp.1452 (2005)

Contact

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