Dr. Shinpei Ogawa Profile

Dr. Shinpei Ogawa

Research & Development Engineer at Mitsubishi Electric Corp

SPIE Involvement:

Conference Program Committee | Author

Publications (45)

Proceedings Article | 13 June 2023 Presentation + Paper

Graphene infrared photodetectors using type-II InAs/InGaSb superlattices

Shoichiro Fukushima, Masaaki Shimatani, Shinpei Ogawa

Proceedings Volume 12534, 125341L (2023) https://doi.org/10.1117/12.2663036

KEYWORDS: Graphene, Photodetectors, Mid-IR, Long wavelength infrared, Infrared radiation, Superlattices, Infrared photography, Infrared sensors

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Proceedings Article | 13 June 2023 Presentation + Paper

Multi-spectral uncooled infrared sensors fabricated using encapsulated metal-insulator-metal plasmonic metamaterial absorbers

Shinpei Ogawa, Hiroshi Ueno, Takatoshi Yamagishi, Hideaki Tomii, Hiroshi Yamamoto, Sho Takenouchi, Masafumi Kimata

Proceedings Volume 12534, 125341D (2023) https://doi.org/10.1117/12.2662904

KEYWORDS: Infrared sensors, Absorption, Reflectors, Fabrication, Plasmonics, Tunable filters, Sensor metamaterials, Optical filters

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Proceedings Article | 13 June 2023 Poster + Paper

High-performance graphene mid-infrared photogated diode with interfacial layer for infrared image sensor

Masaaki Shimatani, Shoichiro Fukushima, Shinpei Ogawa

Proceedings Volume 12534, 125341V (2023) https://doi.org/10.1117/12.2663031

KEYWORDS: Graphene, Photodetectors, Mid-IR, Diodes, Interfaces, Infrared sensors, Infrared radiation, Heterojunctions, Infrared imaging, Image sensors

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Proceedings Article | 13 June 2023 Poster + Paper

Black phosphorous/graphene van der Waals heterostructure-based plasmonic metasurfaces for advanced infrared photodetectors

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima

Proceedings Volume 12534, 125341T (2023) https://doi.org/10.1117/12.2662909

KEYWORDS: Photodetectors, Graphene, Plasmonics, Absorption, Infrared photography, Heterojunctions, Black phosphorus

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SPIE Journal Paper | 16 November 2022 Open Access

Graphene nanoribbon/graphene hybrid broadband infrared photodetectors

Shoichiro Fukushima, Masaaki Shimatani, Shinpei Ogawa

OE, Vol. 61, Issue 11, 115103, (November 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.11.115103

KEYWORDS: Graphene, Long wavelength infrared, Mid-IR, Photodetectors, Raman spectroscopy, Infrared radiation, Coating, Thermography, Temperature metrology, Microscopy

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Proceedings Article | 27 May 2022 Presentation + Paper

Van der Waals heterostructure-based wavelength selective infrared photodetectors using plasmonic metasurfaces

Shinpei Ogawa, Shoichiro Fukushima, Masaaki Shimatani

Proceedings Volume 12107, 121071C (2022) https://doi.org/10.1117/12.2617368

KEYWORDS: Graphene, Photodetectors, Plasmonics, Heterojunctions, Long wavelength infrared, Infrared radiation, Absorbance, Mid-IR, Absorption

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Proceedings Article | 27 May 2022 Poster + Paper

Electrically tunable graphene nanoribbon metasurface absorbers for multispectral infrared detection

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Masafumi Kimata

Proceedings Volume 12107, 1210727 (2022) https://doi.org/10.1117/12.2617370

KEYWORDS: Graphene, Absorption, Absorbance, Photodetectors, Dielectrics, Plasmonics, Infrared detection, Infrared detectors, Wavelength tuning, Surface plasmons

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Proceedings Article | 27 May 2022 Presentation + Paper

High-performance graphene/InSb heterojunction mid-infrared photogated diode

Masaaki Shimatani, Shoichiro Fukushima, Shinpei Ogawa

Proceedings Volume 12107, 121071Z (2022) https://doi.org/10.1117/12.2617386

KEYWORDS: Photodetectors, Mid-IR, Heterojunctions, Graphene, Infrared sensors, Infrared imaging, Chemical vapor deposition, Interfaces, Image sensors, Sensors

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Proceedings Article | 27 May 2022 Presentation + Paper

Pyroelectric photogating effect on graphene-based long-wavelength infrared photodetectors at room temperature

Shoichiro Fukushima, Masaaki Shimatani, Shinpei Ogawa

Proceedings Volume 12107, 121071B (2022) https://doi.org/10.1117/12.2616843

KEYWORDS: Graphene, Long wavelength infrared, Photodetectors, Infrared sensors, Atomic layer deposition, Infrared imaging, Image sensors

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Proceedings Article | 5 March 2022 Presentation + Paper

Graphene photogated infrared photodetectors for high-performance infrared imaging

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima

Proceedings Volume 12009, 1200902 (2022) https://doi.org/10.1117/12.2605853

KEYWORDS: Graphene, Mid-IR, Long wavelength infrared, Infrared imaging, Photodetectors, Infrared sensors

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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

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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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 Poster + Presentation + Paper

Metal–insulator–metal based plasmonic structures incorporating nanoslit for infrared rectification

Shinpei Ogawa, Shoichiro Fukushima, Masaaki Shimatani, Masafumi Kimata

Proceedings Volume 11741, 117411O (2021) https://doi.org/10.1117/12.2585286

KEYWORDS: Plasmonics, Metals, Infrared radiation, Chemical mechanical planarization, Silica, Infrared detectors, Gold, Electroplating, Wet etching, Waveguides

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Proceedings Article | 8 November 2020 Open Access

High-responsivity graphene infrared photodetectors based on photogating

Shinpei Ogawa

Proceedings Volume 11525, 1152503 (2020) https://doi.org/10.1117/12.2583742

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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

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

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

Absorption mode control of plasmonic metasurfaces for high-performance wavelength, or polarization-selective uncooled infrared sensors

Shinpei Ogawa, Shoichirou Fukushima, Masafumi Kimata

Proceedings Volume 11407, 114071H (2020) https://doi.org/10.1117/12.2558315

KEYWORDS: Absorption, Absorbance, Infrared sensors, Plasmonics, Infrared imaging, Mid-IR, Metamaterials

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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 | 9 May 2019 Paper

Elimination of unwanted modes in wavelength-selective uncooled infrared sensors using plasmonic metamaterial absorbers

Shinpei Ogawa, Yousuke Takagawa, Masafumi Kimata

Proceedings Volume 11002, 110021K (2019) https://doi.org/10.1117/12.2518563

KEYWORDS: Infrared sensors, Sensors, Absorption, Plasmonics, Metamaterials, Mirrors, Long wavelength infrared, Infrared detectors

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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

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 | 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 | 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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Proceedings Article | 16 May 2018 Paper

Wide-angle and polarization-selective plasmonic nano-metagrating absorbers

Shinpei Ogawa, Masafumi Kimata

Proceedings Volume 10624, 1062414 (2018) https://doi.org/10.1117/12.2303699

KEYWORDS: Absorption, Absorbance, Plasmonics, Polarization, Infrared sensors, Infrared imaging, Polarimetry, Metamaterials, Gold, Magnetism

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Proceedings Article | 3 May 2017 Paper

Effect of insulator layer in graphene plasmonic metamaterials for infrared detection

Shinpei Ogawa, Daisuke Fujisawa, Masaaki Shimatani, Kazuhiko Matsumoto

Proceedings Volume 10177, 101772E (2017) https://doi.org/10.1117/12.2262057

KEYWORDS: Graphene, Plasmonics, Absorption, Antennas, Metamaterials, Optical properties, Resonance enhancement, Waveguide modes, Absorbance, Reflectivity, Reflectors, Photodetectors, Metals

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Proceedings Article | 3 May 2017 Paper

High-performance mushroom plasmonic metamaterial absorbers for infrared polarimetric imaging

Shinpei Ogawa, Daisuke Fujisawa, Hisatoshi Hata, Mitsuharu Uetsuki, Takafumi Kuboyama, Masafumi Kimata

Proceedings Volume 10177, 101771S (2017) https://doi.org/10.1117/12.2262053

KEYWORDS: Infrared sensors, Infrared imaging, Metamaterials, Polarimetry, Plasmonics, Sensors, Polarization, Infrared cameras, Infrared radiation, Imaging systems, Absorption, Reflectors

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SPIE Journal Paper | 1 December 2016 Open Access

Errata: Fano resonance in asymmetric-period two-dimensional plasmonic absorbers for dual-band uncooled infrared sensors

Shinpei Ogawa, Yousuke Takagawa, Masafumi Kimata

OE, Vol. 55, Issue 11, 119803, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.11.119803

KEYWORDS: Plasmonics, Infrared sensors, Optical engineering

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SPIE Journal Paper | 22 November 2016 Open Access

Fano resonance in asymmetric-period two-dimensional plasmonic absorbers for dual-band uncooled infrared sensors

Shinpei Ogawa, Yousuke Takagawa, Masafumi Kimata

OE, Vol. 55, Issue 11, 117105, (November 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.11.117105

KEYWORDS: Infrared sensors, Plasmonics, Sensors, Absorption, Polarization, Oscillators, Infrared detectors, Surface plasmons, Silicon, Biological research

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Proceedings Article | 20 May 2016 Paper

Graphene on plasmonic metamaterials for infrared detection

Shinpei Ogawa, Daisuke Fujisawa, Masaaki Shimatani, Kazuhiko Matsumoto

Proceedings Volume 9819, 98191S (2016) https://doi.org/10.1117/12.2222735

KEYWORDS: Graphene, Plasmonics, Metamaterials, Absorption, Plasmons, Optoelectronics, Physics, Resonance enhancement, Infrared detection, Carbon, Reflection, Reflectivity, Photodetectors, Aluminum

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Proceedings Article | 20 May 2016 Paper

Dual-band uncooled infrared sensors employing Fano resonance in plasmonic absorbers

Shinpei Ogawa, Yousuke Takagawa, Masafumi Kimata

Proceedings Volume 9819, 98191L (2016) https://doi.org/10.1117/12.2222728

KEYWORDS: Infrared sensors, Absorption, Plasmonics, Sensors, Infrared detectors, Biological research, Metamaterials, Gas sensors, Silica, Polarization, Gold, Thermography

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Proceedings Article | 20 May 2016 Paper

Bandwidth control of wavelength-selective uncooled infrared sensors using two-dimensional plasmonic absorbers

Shinpei Ogawa, Daisuke Fujisawa, Masafumi Kimata

Proceedings Volume 9819, 98191R (2016) https://doi.org/10.1117/12.2222722

KEYWORDS: Infrared sensors, Plasmonics, Absorption, Gas sensors, Biological research, Metamaterials, Infrared imaging, Image sensors, Flame detectors, Hazard analysis, Sensors, Absorbance, Infrared radiation, Mid-IR

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SPIE Journal Paper | 17 December 2015 Open Access

Theoretical investigation of all-metal-based mushroom plasmonic metamaterial absorbers at infrared wavelengths

Shinpei Ogawa, Daisuke Fujisawa, Masafumi Kimata

OE, Vol. 54, Issue 12, 127104, (December 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.12.127104

KEYWORDS: Absorption, Plasmonics, Infrared sensors, Long wavelength infrared, Metamaterials, Infrared radiation, Mid-IR, Infrared imaging, Dielectrics, Metals

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Proceedings Article | 8 June 2015 Paper

Three-dimensional plasmonic metamaterial absorbers based on all-metal structures

Shinpei Ogawa, Daisuke Fujisawa, Masafumi Kimata

Proceedings Volume 9451, 94511J (2015) https://doi.org/10.1117/12.2176550

KEYWORDS: Absorption, Plasmonics, Infrared sensors, Metals, Metamaterials, Photoresist materials, Gold, Reflection, Carbon, Silicon

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Proceedings Article | 4 June 2015 Paper

Polarization-selective uncooled infrared sensor using a one-dimensional plasmonic grating absorber

Shinpei Ogawa, Yousuke Takagawa, Masafumi Kimata

Proceedings Volume 9451, 94511K (2015) https://doi.org/10.1117/12.2176549

KEYWORDS: Infrared sensors, Polarization, Sensors, Plasmonics, Absorption, Silica, Polarimetry, Infrared imaging, Etching, Scanning electron microscopy

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SPIE Journal Paper | 28 October 2014 Open Access

Polarization-selective uncooled infrared sensor with asymmetric two-dimensional plasmonic absorber

Shinpei Ogawa, Kyohei Masuda, Yousuke Takagawa, Masafumi Kimata

OE, Vol. 53, Issue 10, 107110, (October 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.10.107110

KEYWORDS: Infrared sensors, Polarization, Sensors, Plasmonics, Absorption, Gold, Infrared imaging, Polarimetry, Infrared radiation, Polarizers

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Proceedings Article | 24 June 2014 Paper

Three-dimensional plasmonic metamaterial absorbers for high-performance wavelength selective uncooled infrared sensors

Shinpei Ogawa, Daisuke Fujisawa, Tomohiro Maegawa, Masashi Ueno, Masafumi Kimata

Proceedings Volume 9070, 90701Y (2014) https://doi.org/10.1117/12.2049895

KEYWORDS: Absorption, Infrared sensors, Plasmonics, Metamaterials, Gold, Metals, Long wavelength infrared, Mid-IR, Infrared radiation, Sensors

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Proceedings Article | 24 June 2014 Paper

Polarization selective uncooled infrared sensor using an asymmetric two-dimensional plasmonic absorber

Shinpei Ogawa, Kyohei Masuda, Yousuke Takagawa, Masafumi Kimata

Proceedings Volume 9070, 90701T (2014) https://doi.org/10.1117/12.2049677

KEYWORDS: Polarization, Infrared sensors, Plasmonics, Absorption, Silica, Sensors, Gold, Polarimetry, Infrared radiation, Infrared imaging

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SPIE Journal Paper | 19 December 2013 Open Access

Wavelength selective wideband uncooled infrared sensor using a two-dimensional plasmonic absorber

Shinpei Ogawa, Junya Komoda, Kyohei Masuda, Masafumi Kimata

OE, Vol. 52, Issue 12, 127104, (December 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.12.127104

KEYWORDS: Infrared sensors, Sensors, Plasmonics, Long wavelength infrared, Mid-IR, Absorption, Infrared imaging, Gold, Scanning electron microscopy, Etching

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