Dr. Akira Satou Profile

Dr. Akira Satou

at Tohoku Univ

SPIE Involvement:

Author

Publications (31)

Proceedings Article | 1 October 2024 Presentation + Paper

Presentation + Paper

Synthesis of Bi2Se3 and its application to sensitive and fast THz detection

Chao Tang, Koichi Tamura, Aoi Hamada, Hiroyoshi Kudo, Shinnosuke Uchigasaki, Yuma Takida, Hiroaki Minamide, Hirokazu Fukidome, Tsung-Tse Lin, Akira Satou, Taiichi Otsuji

Proceedings Volume 13141, 1314107 (2024) https://doi.org/10.1117/12.3028676

KEYWORDS: Terahertz radiation, Terahertz detection, Selenium, Heterojunctions, Crystals, Picosecond phenomena, Millimeter wave sensors, Graphene, 2D materials

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Proceedings Article | 1 October 2024 Presentation + Paper

Presentation + Paper

3D rectification effect in grating-gate InGaAs-channel HEMT THz plasmonic detectors

A. Satou, T. Otsuji

Proceedings Volume 13141, 1314106 (2024) https://doi.org/10.1117/12.3029292

KEYWORDS: Terahertz radiation, Plasmonics, Millimeter wave sensors, Field effect transistors, Sensors, Diodes, Active sensors, Plasmons, Photocurrent, Wireless communications

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Proceedings Article | 1 October 2024 Presentation + Paper

Presentation + Paper

Recent advances in the research of graphene-based 2D heterostructures for fast, sensitive terahertz detections

T. Otsuji, C. Tang, K. Tamura, A. Satou, V. Mitin, M. Shur, V. Ryzhii

Proceedings Volume 13141, 1314105 (2024) https://doi.org/10.1117/12.3027799

KEYWORDS: Terahertz radiation, Terahertz detection, Heterojunctions, Plasmonics, Graphene, Electrons, Sensors, Field effect transistors, Millimeter wave sensors, Electrodes

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Proceedings Article | 4 October 2023 Presentation + Paper

Presentation + Paper

Photonic double-mixing by UTC-PD-integrated HEMT for optical-to-sub-THz/THz carrier frequency down-conversion

A. Satou, T. Otsuji

Proceedings Volume 12683, 1268309 (2023) https://doi.org/10.1117/12.2676627

KEYWORDS: Field effect transistors, Difference frequency generation, Wireless communications, Optical networks

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Proceedings Article | 4 October 2023 Presentation + Paper

Presentation + Paper

Fast and sensitive THz detection by an asymmetric-dual-grating-gate epitaxial-graphene-channel FET based on plasmonic and photothermoelectric rectification effects

Koichi Tamura, Chao Tang, Daichi Ogiura, Kento Suwa, Hirokazu Fukidome, Yuma Takida, Hiroaki Minamide, Tetsuya Suemitsu, Taiichi Otsuji, Akira Satou

Proceedings Volume 12683, 126830E (2023) https://doi.org/10.1117/12.2676102

KEYWORDS: Terahertz detection, Plasmonics, Graphene, Electrons, Field effect transistors, Electrodes, Telecommunications, Temperature distribution

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Proceedings Article | 30 September 2022 Presentation + Paper

Presentation + Paper

Recent progress in the development of grating-gate InGaAs-channel HEMTs for fast and sensitive THz detection

A. Satou, T. Otsuji

Proceedings Volume 12230, 122300I (2022) https://doi.org/10.1117/12.2633618

KEYWORDS: Terahertz radiation, Sensors, Field effect transistors, Plasmonics, Plasmons, Polarization, Terahertz detection, Nanoantennas, Diffraction gratings

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Proceedings Article | 24 April 2020 Presentation + Paper

Presentation + Paper

UTC-PD-integrated HEMT for optical-to-sub-terahertz carrier frequency down-conversion

A. Satou, K. Nishimura, Y. Omori, T. Hosotani, K. Iwatsuki, T. Otsuji

Proceedings Volume 11390, 113900M (2020) https://doi.org/10.1117/12.2557170

KEYWORDS: Field effect transistors, Absorption, Optical networks, Data conversion, Integrated optics, Transistors, Terahertz radiation, Electrons

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Proceedings Article | 30 March 2020 Paper

Paper

Terahertz gain and amplification in current-driven metasurfaces of graphene Dirac plasmons

S. Boubanga-Tombet, D. Yadav, A. Satou, W. Knap, V. Popov, T. Otsuji

Proceedings Volume 11348, 113480P (2020) https://doi.org/10.1117/12.2559504

KEYWORDS: Graphene, Plasmons, Terahertz radiation, Plasmonics, Plasma, Transistors, Absorption, Field effect transistors, Optical pumping, Terahertz technology

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Proceedings Article | 6 September 2019 Paper

Paper

Graphene-based van der Waals heterostructures towards a new type of terahertz quantum-cascade lasers

Takayuki Watanabe, Deepika Yadav, Stephane Boubanga Tombet, Akira Satou, Alexander Dubinov, Victor Ryzhii, Taiichi Otsuji

Proceedings Volume 11124, 1112406 (2019) https://doi.org/10.1117/12.2529016

KEYWORDS: Terahertz radiation, Heterojunctions, Graphene, Quantum cascade lasers, Plasmons, Quantum efficiency, Surface plasmons, Waveguides, Transistors

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Proceedings Article | 13 May 2019 Paper

Paper

Terahertz light amplification of stimulated emission of radiation in current-injection graphene channel transistor

S. Boubanga-Tombet, D. Yadav, T. Watanabe, A. Satou, W. Knap, V. Popov, V. Ryzhii, T. Otsuji

Proceedings Volume 10982, 109822V (2019) https://doi.org/10.1117/12.2520092

KEYWORDS: Terahertz radiation, Graphene, Plasmons, Plasmonics, Transistors, Optical amplifiers, Absorption, Modulation, Field effect transistors, Physics

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Proceedings Article | 1 March 2019 Presentation + Paper

Presentation + Paper

Graphene-based 2D-heterostructures for terahertz lasers and amplifiers

D. Yadav, S. Boubanga-Tombet, A. Satou, T. Tamamushi, T. Watanabe, T. Suemitsu, H. Fukidome, M. Suemitsu, A. Dubinov, V. Popov, M. Ryzhii, V. Mitin, M. Shur, V. Ryzhii, T. Otsuji

Proceedings Volume 10917, 109170G (2019) https://doi.org/10.1117/12.2516494

KEYWORDS: Terahertz radiation, Graphene, Electrons, Photons, Plasmons, Scattering, Plasmonics, Optical pumping, Transistors, Optical amplifiers

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Proceedings Article | 30 August 2017 Presentation + Paper

Presentation + Paper

Millimeter-wave/terahertz detection and photonic double-mixing by transistors

A. Satou, T. Otsuji

Proceedings Volume 10403, 104030S (2017) https://doi.org/10.1117/12.2275531

KEYWORDS: Field effect transistors, Graphene, Terahertz radiation, Plasmons, Wireless communications, Remote sensing

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Proceedings Article | 27 January 2017 Paper

Paper

Current-injection terahertz lasing in a distributed-feedback dual-gate graphene-channel transistor

G. Tamamushi, T. Watanabe, J. Mitsushio, A. Dubinov, A. Satou, T. Suemitsu, M. Ryzhii, V. Ryzhii, T. Otsuji

Proceedings Volume 10111, 1011126 (2017) https://doi.org/10.1117/12.2249983

KEYWORDS: Graphene, Terahertz radiation, Transistors, Electrons, Optical pumping, Scattering, Phonons, Dielectrics, Field effect transistors, Picosecond phenomena

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Proceedings Article | 29 April 2016 Paper

Paper

Graphene-based van der Waals heterostructures for emission and detection of terahertz radiation

Taiichi Otsuji, Alexander Dubinov, Vladimir Aleshkin, Dmitry Svintsov, Maxim Ryzhii, Stephane Boubanga Tombet, Deepika Yadav, Akira Satou, Vladimir Mitin, Michael Shur, Victor Ryzhii

Proceedings Volume 9856, 985603 (2016) https://doi.org/10.1117/12.2225257

KEYWORDS: Absorption, Terahertz radiation, Plasmons, Heterojunctions, Millimeter wave sensors, Graphene, Modulation, Electrons, Acoustics, Dielectrophoresis

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Proceedings Article | 29 April 2016 Paper

Paper

Cooperative promotion of plasma instabilities for emission of terahertz radiation in an asymmetric dual-grating-gate graphene-channel FET

Akira Satou, Yuki Koseki, Takayuki Watanabe, Vyacheslav Popov, Victor Ryzhii, Taiichi Otsuji

Proceedings Volume 9856, 98560F (2016) https://doi.org/10.1117/12.2227438

KEYWORDS: Plasmons, Terahertz radiation, Transistors, Graphene, Electrons, Received signal strength, Plasma, Field effect transistors, Doping, Electronic components, Scattering, Dielectrics

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Proceedings Article | 22 May 2015 Paper

Paper

Graphene active plasmonics for terahertz device applications

Taiichi Otsuji, Alexander Dubinov, Maxim Ryzhii, Stephane Boubanga Tombet, Akira Satou, Vladimir Mitin, Michael Shur, Victor Ryzhii

Proceedings Volume 9476, 94760Y (2015) https://doi.org/10.1117/12.2185118

KEYWORDS: Terahertz radiation, Plasmons, Graphene, Plasma, Modulation, Electrons, Active plasmonics, Heterojunctions, Absorption, Phase modulation

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Proceedings Article | 14 March 2015 Paper

Paper

Room-temperature zero-bias plasmonic THz detection by asymmetric dual-grating-gate HEMT

T. Watanabe, T. Kawasaki, A. Satou, S. Boubanga Tombet, T. Suemitsu, G. Ducournau, D. Coquillat, W. Knap, H. Minamide, H. Ito, Vyacheslav Popov, Yahya Meziani, T. Otsuji

Proceedings Volume 9362, 93620F (2015) https://doi.org/10.1117/12.2079184

KEYWORDS: Plasmons, Terahertz radiation, Plasmonics, Field effect transistors, Terahertz detection, Sensors, Phase velocity, Quantum efficiency, Antennas, Diffraction

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Proceedings Article | 10 March 2015 Paper

Paper

Recent advances in the research toward graphene-based terahertz lasers

Taiichi Otsuji, Akira Satou, Takayuki Watanabe, Stephane Boubanga-Tombet, Maxim Ryzhii, Alexander Dubinov, Vyacheslav Popov, Vladimir Mitin, Michael Shur, Victor Ryzhii

Proceedings Volume 9382, 938219 (2015) https://doi.org/10.1117/12.2079411

KEYWORDS: Graphene, Terahertz radiation, Plasmons, Electrons, Picosecond phenomena, Scattering, Heterojunctions, Optical pumping, Optical microcavities, Phonons

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Proceedings Article | 5 September 2014 Paper

Paper

Graphene plasmonic heterostructures for new types of terahertz lasers

Taiichi Otsuji, Victor Ryzhii, Stephane Albon Boubanga Tombet, Takayuki Watanabe, Akira Satou, Maxim Ryzhii, Alexander Dubinov, Vladimir Aleshkin, Vyacheslav Popov, Vladimir Mitin, Michael Shur

Proceedings Volume 9199, 91990F (2014) https://doi.org/10.1117/12.2061510

KEYWORDS: Graphene, Terahertz radiation, Plasmons, Photons, Heterojunctions, Plasmonics, Optical microcavities, Near field optics, Absorption, Electrons

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Proceedings Article | 21 May 2014 Paper

Paper

Giant terahertz gain by excitation of surface plasmon polarities in optically pumped graphene

Taiichi Otsuji, Takayuki Watanabe, Stephane Tombet, Akira Satou, Alexander Dubinov, Vladimir Aleshkin, Vladimir Mitin, Victor Ryzhii

Proceedings Volume 9102, 91020I (2014) https://doi.org/10.1117/12.2055376

KEYWORDS: Terahertz radiation, Graphene, Optical pumping, Surface plasmon polaritons, Plasmons, Near field optics, Photon polarization, Electrons, Polarization, Absorption

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Proceedings Article | 31 January 2014 Paper

Paper

Graphene active plasmonics and their applications to terahertz lasers and sensors

Taiichi Otsuji, Akira Satou, Takayuki Watanabe, Alexander Dubinov, Vyacheslav Popov, Stephane Albon Boubanga Tombet, Vladimir Mitin, Victor Ryzhii

Proceedings Volume 8993, 899327 (2014) https://doi.org/10.1117/12.2042328

KEYWORDS: Graphene, Terahertz radiation, Plasmons, Sensors, Photons, Absorption, Optical microcavities, Plasmonics, Active plasmonics, Absorbance

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SPIE Journal Paper | 27 November 2013 Open Access

Open Access

Emission and detection of terahertz radiation using two-dimensional plasmons in semiconductor nanoheterostructures for nondestructive evaluations

Taiichi Otsuji, Takayuki Watanabe, Stephane Albon Boubanga Tombet, Akira Satou, Victor Ryzhii, Vyacheslav Popov, Wojciech Knap

OE, Vol. 53, Issue 03, 031206, (November 2013) https://doi.org/10.1117/12.10.1117/1.OE.53.3.031206

KEYWORDS: Terahertz radiation, Plasmons, Field effect transistors, Electrons, Plasma, Sensors, Millimeter wave sensors, Nondestructive evaluation, Received signal strength, Plasmonics

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Proceedings Article | 31 May 2013 Paper

Paper

Graphene active plasmonic metamaterials for new types of terahertz lasers

Taiichi Otsuji, Takayuki Watanabe, Akira Satou, Vyacheslav Popov, Victor Ryzhii

Proceedings Volume 8716, 87160P (2013) https://doi.org/10.1117/12.2019717

KEYWORDS: Graphene, Plasmons, Terahertz radiation, Optical microcavities, Photons, Absorption, Plasmonics, Metamaterials, Plasma, Electromagnetism

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Proceedings Article | 29 May 2013 Paper

Paper

Emission and detection of terahertz radiation using two dimensional plasmons in semiconductor nano-heterostructures for nondestructive evaluations

Taiichi Otsuji, Takayuki Watanabe, Stephane Albon Boubanga Tombet, Akira Satou, Victor Ryzhii, Vyacheslav Popov, Wojciech Knap

Proceedings Volume 8725, 87250F (2013) https://doi.org/10.1117/12.2015089

KEYWORDS: Terahertz radiation, Plasmons, Electrons, Field effect transistors, Plasma, Sensors, Millimeter wave sensors, Nondestructive evaluation, Received signal strength, Semiconductors

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Proceedings Article | 20 February 2013 Paper

Paper

Numerical simulation of terahertz plasmons in gated graphene structures

A. Satou, V. Ryzhii, F. Vasko, V. Mitin, T. Otsuji

Proceedings Volume 8624, 862412 (2013) https://doi.org/10.1117/12.2003611

KEYWORDS: Plasmons, Graphene, Scattering, Plasma, Terahertz radiation, Doping, Dielectrics, Electroluminescent displays, Numerical simulations, Heterojunctions

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Proceedings Article | 8 January 2013 Paper

Paper

Terahertz-wave generation using graphene: toward the creation of graphene injection lasers

T. Otsuji, A. Satou, S. Boubanga Tombet, M. Ryzhii, V. Ryzhii

Proceedings Volume 8700, 87000J (2013) https://doi.org/10.1117/12.2017063

KEYWORDS: Graphene, Picosecond phenomena, Terahertz radiation, Electrons, Optical pumping, Plasmons, Absorption, Phonons, Scattering, Silicon carbide

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Proceedings Article | 9 May 2012 Paper

Paper

Ultrahigh sensitive plasmonic terahertz detectors based on an asymmetric dual-grating gate HEMT structure

Taiichi Otsuji, Stephane Boubanga-Tombet, Takayuki Watanabe, Yudai Tanimoto, Akira Satou, Tetsuya Suemitsu, Yuye Wang, Hiroaki Minamide, Hiromasa Ito, Yahya Moubarak Meziani, Dominique Coquillat, Wojciech Knap, Denis Fateev, Viacheslav Popov

Proceedings Volume 8363, 83630P (2012) https://doi.org/10.1117/12.919978

KEYWORDS: Terahertz radiation, Field effect transistors, Sensors, Plasmons, Plasmonics, Photovoltaics, Plasma, Millimeter wave sensors, Transistors, Modulation

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Proceedings Article | 26 May 2011 Paper

Paper

Terahertz light amplification by stimulated emission of radiation from optically pumped graphene

Taiichi Otsuji, Stephane A. Boubanga Tombet, Silvia Chan, Akira Satou, Victor Ryzhii

Proceedings Volume 8023, 802304 (2011) https://doi.org/10.1117/12.887946

KEYWORDS: Graphene, Terahertz radiation, Optical pumping, Photons, Picosecond phenomena, Electrons, Phonons, Scattering, Ultrafast phenomena, Crystals

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Proceedings Article | 24 February 2009 Paper

Paper

Graphene under optical pumping: nonequilibrium distributions, population inversion, and terahertz lasing

A. Satou, M. Ryzhii, F. Vasko, T. Otusji, V. Ryzhii

Proceedings Volume 7211, 721119 (2009) https://doi.org/10.1117/12.807794

KEYWORDS: Graphene, Electrons, Scattering, Phonons, Optical pumping, Acoustics, Electron holes, Absorption, Mid-IR, Optoelectronics

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Proceedings Article | 1 September 2004 Paper

Paper

Analytical and computer models of terahertz HEMT photomixer

Victor Ryzhii, Akira Satou, Irina Khmyrova, Maxim Ryzhii, Taiichi Otsuji, Michael Shur

Proceedings Volume 5466, (2004) https://doi.org/10.1117/12.548948

KEYWORDS: Terahertz radiation, Plasma, Absorption, Field effect transistors, Antennas, Instrument modeling, Monte Carlo methods, Electron transport, Picosecond phenomena, Channel projecting optics

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Proceedings Article | 25 July 2003 Paper

Paper

Device model for three-terminal lateral p-n junction quantum well lasers

Victor Ryzhii, Akira Satou, Irina Khmyrova, Tetsuhiko Ikegami, Pablo Vaccaro, Kazuyoshi Kubota, Jose Zanardi Ocampo, Tahito Aida

Proceedings Volume 4986, (2003) https://doi.org/10.1117/12.473056

KEYWORDS: Quantum wells, Electrons, Modulation, Instrument modeling, Active optics, Diffusion, Doping, Gallium arsenide, Laser damage threshold, Capacitance

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Showing 5 of 31 publications

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