Prof. Hiroshi Takahashi Profile

Prof. Hiroshi Takahashi

Professor at Sophia Univ

SPIE Involvement:

Author

Proceedings Article | 3 March 2016 Paper

Polarization diversity circuit for a silicon optical switch using silica waveguides integrated with photonic crystal thin film waveplates

Koki Sugiyama, Takafumi Chiba, Takayuki Kawashima, Shojiro Kawakami, Hiroshi Takahashi, Hiroyuki Tsuda

Proceedings Volume 9751, 975109 (2016) https://doi.org/10.1117/12.2211327

KEYWORDS: Polarization, Waveguides, Photonic crystals, Silicon, Wave plates, Brain-machine interfaces, Silicon films, Optical switching, Silica, Optical circuits, Crystals

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Proceedings Article | 27 February 2015 Paper

Multi-functional optical signal processing using optical spectrum control circuit

Shuhei Hayashi, Tatsuhiko Ikeda, Takayuki Mizuno, Hiroshi Takahashi, Hiroyuki Tsuda

Proceedings Volume 9365, 936519 (2015) https://doi.org/10.1117/12.2076696

KEYWORDS: Waveguides, Scanning probe microscopy, Filtering (signal processing), Signal processing, Optical signal processing, Optical filters, Electronic filtering, Tunable filters, Eye, Optical circuits

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Proceedings Article | 2 June 2014 Paper

End-reflection assisted time domain Brillouin sensing with a novel probe pulse arrangement for branched fiber

Chihiro Kito, Fumihiko Ito, Hiroshi Takahashi, Kunihiro Toge

Proceedings Volume 9157, 91576F (2014) https://doi.org/10.1117/12.2059420

KEYWORDS: Optical fibers, Sensing systems, Laser beam diagnostics, Reliability, Reflectors, Dynamical systems, Fiber optics sensors, Temperature metrology, Sensors, Scattering

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Proceedings Article | 6 March 2013 Paper

Optical spectrum control circuit with flat pass band characteristics using a high-resolution arrayed-waveguide grating

Tatsuhiko Ikeda, Takayuki Mizuno, Hiroshi Takahashi, Hiroyuki Tsuda

Proceedings Volume 8627, 862703 (2013) https://doi.org/10.1117/12.2003113

KEYWORDS: Waveguides, Optical signal processing, Signal processing, Phase shifts, Optical circuits, Geometrical optics, Terahertz radiation, Photonic integrated circuits, Mirrors, Integrated optics

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Proceedings Article | 19 November 2009 Paper

Recent progress on planar lightwave circuit technology for optical communication

Hiroshi Takahashi

Proceedings Volume 7633, 76330Q (2009) https://doi.org/10.1117/12.853477

KEYWORDS: Waveguides, Photonic integrated circuits, Modulators, Polarization, Silica, Modulation, Switches, Optical communications, Optical components, Optical switching

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Proceedings Article | 25 October 2005 Paper

Recent progress on athermal AWG wavelength multiplexer

Shin Kamei, Yasuyuki Inoue, Akimasa Kaneko, Tomohiro Shibata, Hiroshi Takahashi

Proceedings Volume 6014, 60140H (2005) https://doi.org/10.1117/12.631988

KEYWORDS: Waveguides, Silica, Silicon, Refractive index, Multiplexers, Temperature metrology, Metals, Diffraction, Reliability, Fabrication

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Proceedings Article | 11 February 2005 Paper

Solid-state optical switches using planar lightwave circuit and IC-on-PLC technologies

Shunichi Sohma, Shinji Mino, Toshio Watanabe, Motohaya Ishii, Tomohiro Shibata, Hiroshi Takahashi

Proceedings Volume 5625, (2005) https://doi.org/10.1117/12.579684

KEYWORDS: Switches, Photonic integrated circuits, Waveguides, Silica, Optical switching, Switching, Reliability, Solid state electronics, Signal attenuation, Cladding

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Proceedings Article | 14 August 2003 Open Access

Planar lightwave circuit devices for optical communication: present and future

Hiroshi Takahashi

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.512904

KEYWORDS: Waveguides, Photonic integrated circuits, Dispersion, Switches, Silica, Multiplexers, Phase shifts, Reliability, Optical filters, Thermal optics

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Showing 5 of 8 publications

Conference Committee Involvement (3)

Optical Transmission Systems and Equipment for WDM Networking IV

25 October 2005 | Boston, MA, United States

Optical Transmission Systems and Equipment for WDM Networking III

25 October 2004 | Philadelphia, Pennsylvania, United States

Optical Transmission Systems and Equipment for WDM Networking II

8 September 2003 | Orlando, Florida, United States

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