K
Kenjiro Watanabe
Researcher at Sony Broadcast & Professional Research Laboratories
Publications - 81
Citations - 853
Kenjiro Watanabe is an academic researcher from Sony Broadcast & Professional Research Laboratories. The author has contributed to research in topics: Holography & Holographic data storage. The author has an hindex of 16, co-authored 81 publications receiving 836 citations. Previous affiliations of Kenjiro Watanabe include Canon Inc..
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Journal ArticleDOI
Improved performance in coaxial holographic data recording
Kenji Tanaka,Masaaki Hara,Kazutatsu Tokuyama,Kazuyuki Hirooka,Koji Ishioka,Atsushi Fukumoto,Kenjiro Watanabe +6 more
TL;DR: This system successfully realizes a hologram recording/retrieving at a low diffraction efficiency less than 2.0 x 10(-3) and achieves a raw data density of 180 Gbit/in, thus demonstrating the potential of a coaxial holographic system for high-density optical storage systems.
Journal ArticleDOI
Simulation of Holographic Data Storage for the Optical Collinear System
TL;DR: In this paper, the authors investigated the capability and tolerance of the optical collinear system by numerical simulation using Fourier optics, the simulation can calculate the hologram pixel image intensity distribution, the corresponding signal-to-noise-ratio and its histogram.
Proceedings ArticleDOI
Magnetically induced super resolution in a novel magneto-optical disk
TL;DR: In this paper, a super resolution was achieved in the magneto-optical disk using an exchange-coupled multilayer film and two types of magnetically induced super resolution, front aperture detection and rear aperture detection, were successfully investigated.
Journal ArticleDOI
Littrow-type external-cavity blue laser for holographic data storage
Tomiji Tanaka,Kazuo Takahashi,Kageyasu Sako,Ryo Kasegawa,Mitsuru Toishi,Kenjiro Watanabe,David Samuels,Motonobu Takeya +7 more
TL;DR: An external-cavity laser with a wavelength of 405 nm and an output of 80 mW has been developed for holographic data storage and its recording density is higher than that of a 532 nm laser.
Journal ArticleDOI
Improvement in Temperature Tolerance of Holographic Data Storage Using Wavelength Tunable Laser
TL;DR: In this article, a method of increasing the temperature tolerance of holographic recording media using a wavelength tunable laser was reported, which can read out the full image at 60°C, which is +30°C above the recording temperature.