Dr. Kazuhiro Hayasaka Profile

Dr. Kazuhiro Hayasaka

Senior Researcher at NICT

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Publications (4)

Proceedings Article | 12 September 2011 Paper

High harmonic generation in VUV via passive enhancement of near infrared femtosecond pulses

Kentaro Wakui, Kazuhiro Hayasaka, Tetsuya Ido

Proceedings Volume 8132, 813204 (2011) https://doi.org/10.1117/12.894949

KEYWORDS: Vacuum ultraviolet, High harmonic generation, Near infrared, Femtosecond phenomena, Prisms, Ferroelectric materials, Mirrors, Time metrology, Frequency metrology, Current controlled current source

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Proceedings Article | 12 September 2011 Paper

Atomic frequency standards at NICT

T. Ido, M. Fujieda, H. Hachisu, K. Hayasaka, M. Kajita, R. Kojima, M. Kumagai, C. Locke, Y. Li, K. Matsubara, A. Nogami, N. Shiga, A. Yamaguchi, Y. Koyama, M. Hosokawa, Y. Hanado

Proceedings Volume 8132, 81320D (2011) https://doi.org/10.1117/12.892887

KEYWORDS: Clocks, Chemical species, Ions, Standards development, Cesium, Calcium, Laser stabilization, Microwave radiation, Oscillators, Communication and information technologies

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Proceedings Article | 26 August 2009 Paper

Frequency measurement of the 40Ca+ clock transition using a LD-based clock laser and UTC(NICT)

K. Matsubara, Y. Li, S. Nagano, H. Ito, M. Kajita, R. Kojima, K. Hayasaka, M. Hosokawa, Y. Hanado

Proceedings Volume 7431, 743108 (2009) https://doi.org/10.1117/12.825905

KEYWORDS: Clocks, Ions, Magnetism, Error analysis, Bragg cells, Standards development, Calcium, Fiber lasers, Semiconductor lasers, Laser systems engineering

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Proceedings Article | 11 January 2005 Paper

Nonclassical light generation from an optical parametric oscillator pumped by a frequency-doubled diode laser

Kazuhiro Hayasaka, Yun Zhang, Katsuyuki Kasai

Proceedings Volume 5631, (2005) https://doi.org/10.1117/12.575661

KEYWORDS: Optical parametric oscillators, Crystals, Ferroelectric materials, Semiconductor lasers, Mirrors, Second-harmonic generation, Servomechanisms, Beam splitters, Nonlinear crystals, Phase matching

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