Dr. Tatsuya Yamashita Profile

Dr. Tatsuya Yamashita

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Publications (11)

Proceedings Article | 10 May 2018 Paper

An optical scanner based on beam switching method fabricated on silicon photonics circuit

Daisuke Inoue, Tadashi Ichikawa, Akari Kawasaki, Tatsuya Yamashita

Proceedings Volume 10636, 1063606 (2018) https://doi.org/10.1117/12.2309304

KEYWORDS: Scanners, LIDAR, Switching, Silicon photonics, Silicon, Optical scanning, Waveguides, Oxides, Thin films, Integrated circuits

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Proceedings Article | 21 February 2012 Paper

Photopolymer-based three-dimensional optical waveguide devices

M. Kagami, T. Yamashita, M. Yonemura, A. Kawasaki, O. Watanabe, M. Tomiki

Proceedings Volume 8258, 825812 (2012) https://doi.org/10.1117/12.913482

KEYWORDS: Waveguides, Optical fibers, Wavelength division multiplexing, Refractive index, Transceivers, Optical filters, Vertical cavity surface emitting lasers, Integrated optics, Bandpass filters, Optical components

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Proceedings Article | 7 February 2009 Paper

Spectroscopic properties of Tb3+-doped borosilicate glasses for new green laser media

Yasutake Ohishi, Tatsuya Yamashita, Takenobu Suzuki

Proceedings Volume 7212, 721219 (2009) https://doi.org/10.1117/12.808701

KEYWORDS: Glasses, Absorption, Temperature metrology, Ions, Spectroscopy, Energy transfer, Borosilicate glass, Phonons, Terbium, Crystals

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Proceedings Article | 13 February 2008 Paper

22 dB all-fiber green amplifier using Er3+-doped fluoride fiber

Guanshi Qin, Tatsuya Yamashita, Yusuke Arai, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 6890, 68900Y (2008) https://doi.org/10.1117/12.759341

KEYWORDS: Optical amplifiers, Fiber amplifiers, Optical filters, Fiber lasers, Electronic filtering, Solids, Helium neon lasers, Upconversion, Optical simulations, Semiconductor lasers

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Proceedings Article | 5 February 2008 Paper

Visible emission of Tb3+-Yb3+ co-doped fluorophosphate glasses

Yusuke Arai, Tatsuya Yamashita, Shin Horiguchi, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 6890, 689003 (2008) https://doi.org/10.1117/12.759244

KEYWORDS: Glasses, Energy transfer, Energy efficiency, Phonons, Upconversion, Acquisition tracking and pointing, Terbium, Ytterbium, Visible radiation, Borosilicate glass

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Proceedings Article | 10 September 2007 Paper

Frequency upconversion analysis for Tb³⁺-Yb³⁺ co-doped system in glass materials

Tatsuya Yamashita, Yusuke Arai, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 6775, 67750V (2007) https://doi.org/10.1117/12.732847

KEYWORDS: Terbium, Ytterbium, Energy transfer, Ions, Glasses, Upconversion, Absorption, Energy efficiency, Acquisition tracking and pointing, Temperature metrology

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Proceedings Article | 2 October 2006 Paper

Precisely positioned light-induced self-written (LISW) polymeric optical waveguide for optical transceiver module fabrication

T. Matsui, T. Yamashita, M. Kagami

Proceedings Volume 6389, 63890A (2006) https://doi.org/10.1117/12.685093

KEYWORDS: Waveguides, Polymer optical fibers, Polymerization, Polymers, Optical fibers, Light emitting diodes, Cladding, Polymer multimode waveguides, Optical alignment, Wavelength division multiplexing

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Proceedings Article | 2 October 2006 Paper

Spectroscopic properties of Tb3+-Yb3+-codoped borosilicate glasses for green lasers and amplifiers

Tatsuya Yamashita, Yasutake Ohishi

Proceedings Volume 6389, 638912 (2006) https://doi.org/10.1117/12.685507

KEYWORDS: Terbium, Ytterbium, Glasses, Absorption, Ions, Energy transfer, Borosilicate glass, Upconversion, Fluorine, Spectroscopy

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Proceedings Article | 25 October 2005 Paper

Light-induced self-written waveguides for large-core optical fibers

Tatsuya Yamashita, Manabu Kagami

Proceedings Volume 6014, 60140M (2005) https://doi.org/10.1117/12.631294

KEYWORDS: Refractive index, Waveguides, Optical fibers, Polymers, Wavelength division multiplexing, Fabrication, Photorefractive polymers, Optical communications, Ultraviolet radiation, Polymerization

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Proceedings Article | 14 August 2003 Paper

Three-dimensional WDM optical module using a light-induced self-written (LISW) waveguide technology

Manabu Kagami, Satoru Kato, Akari Kawasaki, Masatoshi Yonemura, Tatsuya Yamashita, Hiroshi Ito

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.511010

KEYWORDS: Waveguides, Phase only filters, Wavelength division multiplexing, Light emitting diodes, Optical communications, Fabrication, Optical filters, Optical circuits, Integrated optics, Gallium nitride

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Proceedings Article | 29 November 2000 Paper

Polymer optical waveguide devices for low-cost WDM module

Manabu Kagami, Tatsuya Yamashita, Hiroshi Ito

Proceedings Volume 4106, (2000) https://doi.org/10.1117/12.408502

KEYWORDS: Waveguides, Polymers, Wavelength division multiplexing, Mirrors, Polymer multimode waveguides, Optical fibers, Reactive ion etching, Optical filters, Glasses, Optical circuits

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Showing 5 of 11 publications

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