Mr. Toshitaka Torikai Profile

Toshitaka Torikai

Senior Manager at NEC Corp

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Author

Publications (6)

Proceedings Article | 12 May 2004 Paper

A robust 40-Gb/s evanescently coupled waveguide photodiode with high efficiency for use in dual wavelengths: 1310 and 1550-nm

Kazuhiro Shiba, Takeshi Takeuchi, Takeshi Nakata, Kikuo Makita, Kimiyoshi Fukatsu, Tomoaki Kato, Toshitaka Torikai

Proceedings Volume 5280, (2004) https://doi.org/10.1117/12.520381

KEYWORDS: Waveguides, Absorption, Photodiodes, Geometrical optics, External quantum efficiency, Internal quantum efficiency, Quantum efficiency, Indium gallium arsenide, Receivers, Light wave propagation

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Proceedings Article | 11 July 2002 Paper

Wideband and high-efficiency AlInAs/GaInAs waveguide photodetectors for 40-Gbps receivers

Toshitaka Torikai, Takeshi Nakata, Takeshi Takeuchi, Kikuo Makita

Proceedings Volume 4870, (2002) https://doi.org/10.1117/12.475569

KEYWORDS: Receivers, Waveguides, Absorption, Avalanche photodetectors, Photodiodes, Palladium, Optical amplifiers, Ionization, Avalanche photodiodes, Electrons

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Proceedings Article | 12 June 2002 Paper

High-speed and high-efficiency AlInAs/GaInAs waveguide photodetectors for use in 40-Gbps applications

Toshitaka Torikai, Takeshi Nakata, Takeshi Takeuchi, Kikuo Makita

Proceedings Volume 4646, (2002) https://doi.org/10.1117/12.470506

KEYWORDS: Avalanche photodetectors, Absorption, Receivers, Waveguides, Photodetectors, Quantum efficiency, Ionization, Electrons, Avalanche photodiodes, Palladium

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Proceedings Article | 19 August 1998 Paper

Cost-effective partially corrugated waveguide laser diodes for use in optical access networks

Toshitaka Torikai, Yidong Huang, Tetsuro Okuda

Proceedings Volume 3547, (1998) https://doi.org/10.1117/12.319651

KEYWORDS: Waveguides, Single mode fibers, Temperature metrology, Optical networks, Mirrors, Semiconductor lasers, Waveguide lasers, Resistance, Modulation, Diodes

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Proceedings Article | 19 August 1998 Paper

Dynamic analysis on external optical-feedback-resistant characteristics in partially corrugated waveguide laser diodes

Yidong Huang, Tetsuro Okuda, Kazuhiro Shiba, Toshitaka Torikai

Proceedings Volume 3547, (1998) https://doi.org/10.1117/12.319629

KEYWORDS: Mirrors, Resistance, Waveguides, Modulation, Wafer-level optics, Semiconductor lasers, Positive feedback, Analytical research, Reflection, Waveguide lasers

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Proceedings Article | 2 May 1997 Paper

Partially corrugated waveguide laser diodes for use in CATV networks

Hirohito Yamada, Tetsuro Okuda, Yidong Huang, Yoshiharu Muroya, Toshitaka Torikai

Proceedings Volume 3001, (1997) https://doi.org/10.1117/12.273812

KEYWORDS: Distortion, Capacitance, Intermodulation, Modulation, Resistance, Light sources, Waveguide lasers, Diodes, Circuit switching, Active optics

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Showing 5 of 6 publications

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