Dr. Katsuhiko Saito Profile

Dr. Katsuhiko Saito

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Publications (4)

Proceedings Article | 9 October 2021 Poster

Terahertz pulses from titanium-doped lithium niobate strip optical waveguides using a 1.55-micrometer pump beam

Joselito Muldera, Jessica Pauline Afalla, Takashi Furuya, Hideaki Kitahara, Elmer Estacio, Katsuhiko Saito, Qixin Guo, Masahiko Tani

Proceedings Volume 11906, 119061O (2021) https://doi.org/10.1117/12.2601151

KEYWORDS: Waveguides, Lithium niobate, Terahertz radiation, Titanium, Terahertz spectroscopy, Spectroscopy, Signal to noise ratio, Photonic integrated circuits, Femtosecond phenomena, Crystals

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Proceedings Article | 5 March 2020 Presentation + Paper

Intermediate band solar cells based on highly mismatched II-VI oxide semiconductors

Tooru Tanaka, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz

Proceedings Volume 11281, 112811U (2020) https://doi.org/10.1117/12.2550950

KEYWORDS: Zinc, Aluminum, Electrons, Solar cells, Chlorine, Photovoltaics, External quantum efficiency, Oxides, Group II-VI semiconductors, Crystals

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Proceedings Article | 16 February 2018 Paper

Improved photovoltaic properties of ZnTeO-based intermediate band solar cells

Tooru Tanaka, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz

Proceedings Volume 10527, 105270P (2018) https://doi.org/10.1117/12.2292911

KEYWORDS: Zinc, Solar cells, Aluminum, External quantum efficiency, Photovoltaics, Crystals, Thin films, Sun, Diffraction, Temperature metrology

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Proceedings Article | 18 February 2011 Paper

Estimation of donor and acceptor levels in Al-doped ZnTe layers from photoluminescence measurement

K. Saito, T. Saeki, X. Han, T. Tanaka, Q. Guo, M. Nishio

Proceedings Volume 7995, 79950I (2011) https://doi.org/10.1117/12.888520

KEYWORDS: Aluminum, Luminescence, Thermal effects, Temperature metrology, Zinc, Light emitting diodes, Vapor phase epitaxy, Ionization, Doping, Excitons

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