Dr. Satoshi Okuda Profile

Dr. Satoshi Okuda

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Author

Publications (14)

Proceedings Article | 12 April 2021 Presentation + Paper

Graphene nanoribbon photogating for graphene-based infrared photodetectors

Shinpei Ogawa, Shoichiro Fukushima, Satoshi Okuda, Masaaki Shimatani

Proceedings Volume 11741, 117411H (2021) https://doi.org/10.1117/12.2585287

KEYWORDS: Graphene, Photodetectors, Infrared radiation, Infrared photography, Mid-IR, Long wavelength infrared, Silicon, Visible radiation, Ultraviolet radiation, Transistors

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Proceedings Article | 12 April 2021 Presentation + Paper

Development of small-format graphene infrared array sensors

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa

Proceedings Volume 11741, 117411G (2021) https://doi.org/10.1117/12.2585279

KEYWORDS: Infrared sensors, Graphene, Infrared radiation, Sensors, Mid-IR, Field effect transistors, Modulation, Image sensors, Transistors, Semiconductors

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Proceedings Article | 12 April 2021 Presentation + Paper

Enhanced photogating effect with turbostratic stacked graphene photodetectors for developing high-responsivity infrared sensors

Masaaki Shimatani, Takashi Ikuta, Yuri Sakamoto, Shoichiro Fukushima, Satoshi Okuda, Shinpei Ogawa, Kenzo Maehashi

Proceedings Volume 11741, 117411I (2021) https://doi.org/10.1117/12.2585335

KEYWORDS: Graphene, Photodetectors, Chemical vapor deposition, Infrared sensors, Scattering, Electronic components

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SPIE Journal Paper | 7 September 2020 Open Access

Carrier density modulation and photocarrier transportation of graphene/InSb heterojunction middle-wavelength infrared photodetectors

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa

OE, Vol. 59, Issue 09, 097101, (September 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.9.097101

KEYWORDS: Graphene, Heterojunctions, Mid-IR, Photodetectors, Modulation, Infrared radiation, Infrared photography, Optical engineering, Electrons, Infrared sensors

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Proceedings Article | 23 April 2020 Paper

Room temperature long-wavelength infrared graphene photodetectors using photogating via the pyroelectric effect

Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings Volume 11407, 1140717 (2020) https://doi.org/10.1117/12.2558343

KEYWORDS: Pyroelectricity, Pyroelectric detectors, Graphene, Photodetectors, Sensors, Long wavelength infrared, Infrared sensors

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Proceedings Article | 23 April 2020 Paper

Multilayer graphene metamaterial absorbers for high-performance middle- to long-wavelength infrared detection

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Masafumi Kimata

Proceedings Volume 11407, 114071I (2020) https://doi.org/10.1117/12.2558321

KEYWORDS: Graphene, Absorbance, Plasmonics, Metamaterials, Long wavelength infrared, Absorption

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Proceedings Article | 23 April 2020 Paper

Middle wavelength infrared graphene photodetectors with low dark-current and high responsivity

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings Volume 11407, 1140718 (2020) https://doi.org/10.1117/12.2558381

KEYWORDS: Graphene, Photodetectors, Mid-IR, Field effect transistors, Infrared imaging, Infrared sensors, Image sensors, Optoelectronics

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Proceedings Article | 23 April 2020 Paper

First-principles calculation of electronic structure of turbostratic graphene for high-responsivity infrared detection with enhanced photogating

Satoshi Okuda, Masaaki Shimatani, Shoichiro Fukushima, Shinpei Ogawa, Takashi Ikuta, Kenzo Maehashi

Proceedings Volume 11407, 114071J (2020) https://doi.org/10.1117/12.2558377

KEYWORDS: Graphene, Infrared detection, Photodetectors

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SPIE Journal Paper | 18 March 2020 Open Access

Photogating for small high-responsivity graphene middle-wavelength infrared photodetectors

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai , Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

OE, Vol. 59, Issue 03, 037101, (March 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.3.037101

KEYWORDS: Graphene, Mid-IR, Photodetectors, Field effect transistors, Modulation, Infrared radiation, Infrared imaging, Infrared photography, Optical engineering, Electrodes

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SPIE Journal Paper | 29 May 2019 Open Access

Broadband photoresponse of graphene photodetector from visible to long-wavelength infrared wavelengths

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Yasushi Kanai , Takao Ono, Kazuhiko Matsumoto

OE, Vol. 58, Issue 05, 057106, (May 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.5.057106

KEYWORDS: Graphene, Photodetectors, Long wavelength infrared, Silicon, Mid-IR, Visible radiation, Transistors, Near infrared, Electrodes, Optical engineering

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Proceedings Article | 7 May 2019 Paper

Multispectral graphene infrared photodetectors using plasmonic metasurfaces

Masaaki Shimatani, Shinpei Ogawa, Shoichiro Fukushima, Satoshi Okuda, Koichi Inoue, Kazuhiko Matsumoto

Proceedings Volume 11002, 1100224 (2019) https://doi.org/10.1117/12.2518399

KEYWORDS: Graphene, Absorption, Photodetectors, Plasmonics, Field effect transistors, Infrared radiation, Infrared imaging, Resonance enhancement, Finite-difference time-domain method

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Proceedings Article | 7 May 2019 Paper

Graphene-based Salisbury screen metasurfaces at infrared wavelengths

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Masafumi Kimata

Proceedings Volume 11002, 110022A (2019) https://doi.org/10.1117/12.2518397

KEYWORDS: Graphene, Absorbance, Absorption, Plasmonics, Infrared radiation, Reflectors, Optical properties

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Proceedings Article | 7 May 2019 Paper

High-responsivity graphene infrared photodetectors using photo-gating effect

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings Volume 11002, 1100223 (2019) https://doi.org/10.1117/12.2518396

KEYWORDS: Graphene, Photodetectors, Mid-IR, Infrared imaging, Infrared sensors

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Proceedings Article | 23 May 2018 Paper

Broadband photoresponse of graphene photodetector from visible to long-wavelength infrared wavelengths

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Yasushi Kanai, Takao Ono, Kazuhiko Matsumoto

Proceedings Volume 10624, 1062415 (2018) https://doi.org/10.1117/12.2303700

KEYWORDS: Graphene, Photodetectors, Long wavelength infrared, Silicon, Transistors, Visible radiation, Mid-IR, Near infrared, Absorption, Electrodes

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Showing 5 of 14 publications

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