Dr. Harukazu Miyamoto Profile

Dr. Harukazu Miyamoto

Project Leader at Hitachi Ltd

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Publications (6)

Proceedings Article | 31 July 2009 Paper

Demonstration of readout-signal quality improvement by homodyne detection

Hideharu Mikami, Takahiro Kurokawa, Koichi Watanabe, Harukazu Miyamoto

Proceedings Volume 7505, 75050H (2009) https://doi.org/10.1117/12.838489

KEYWORDS: Signal detection, Homodyne detection, Servomechanisms, Reflectivity, Optical discs, Actuators, Signal to noise ratio, Eye, Beam splitters, Wave plates

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Proceedings Article | 11 July 2007 Paper

Readout-signal amplification by homodyne detection scheme

H. Mikami, T. Shimano, H. Kudo, J. Hashizume, H. Miyamoto

Proceedings Volume 6620, 662005 (2007) https://doi.org/10.1117/12.738418

KEYWORDS: Homodyne detection, Interference (communication), Optical discs, Signal detection, Polarization, Disk lasers, Visibility, Optical amplifiers, Amplifiers, Reflectivity

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Proceedings Article | 8 September 1995 Paper

High-density recording by two-dimensional signal processing

T. Maeda, Hisataka Sugiyama, A. Saitou, Kouichirou Wakabayashi, Harukazu Miyamoto, H. Awano

Proceedings Volume 2514, (1995) https://doi.org/10.1117/12.218706

KEYWORDS: Signal processing, Servomechanisms, Optical discs, Optical tracking, Clocks, Head, Objectives, Device simulation, Semiconductor lasers, Eye

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Proceedings Article | 13 August 1992 Paper

Magnetic spin directions in direct-overwrite exchange-coupled MO disk

Roger Malmhall, Masahiro Ojima, H. Awano, Toshio Niihara, Harukazu Miyamoto, M. Miyamoto

Proceedings Volume 1663, (1992) https://doi.org/10.1117/12.137544

KEYWORDS: Magnetism, Optical storage, Switching, Molybdenum, Interfaces, Multilayers, Anisotropy, Temperature metrology, Phase modulation, Computer simulations

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Proceedings Article | 1 August 1990 Paper

Performance and reliability of advanced magneto-optical disk drive

Masahiro Ojima, Hirofumi Sukeda, Toshio Niihara, Takeshi Nakao, Masuo Kasai, T. Kaku, Harukazu Miyamoto, K. Akagi, Yoshinori Miyamura, Norio Ohta, Fujio Tanaka, S. Tanaka, Y. Sasano, Katsuya Ono, Shinsuke Suzuki

Proceedings Volume 1316, (1990) https://doi.org/10.1117/12.22025

KEYWORDS: Magnetism, Reliability, Modulation, Head, Interfaces, Optical storage, Analytical research, Optical discs, Prototyping, Information operations

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Proceedings Article | 1 August 1990 Paper

Advanced magneto-optical disk drive and media

Fujio Tanaka, S. Tanaka, Y. Sasano, Katsuya Ono, Shinsuke Suzuki, Hirofumi Sukeda, T. Kaku, Toshio Niihara, Takeshi Nakao, Masuo Kasai, Harukazu Miyamoto, K. Akagi, Yoshinori Miyamura, Norio Ohta, Masahiro Ojima

Proceedings Volume 1316, (1990) https://doi.org/10.1117/12.22034

KEYWORDS: Magnetism, Modulation, Head, Molybdenum, Analytical research, Optical storage, Prototyping, Switching, Dielectrics, Data processing

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Showing 5 of 6 publications

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