Dr. Akira Satou Profile

Dr. Akira Satou

at Tohoku Univ

SPIE Involvement:

Author

Publications (25)

Proceedings Article | 24 April 2020 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

Proc. SPIE. 11390, Next-Generation Spectroscopic Technologies XIII

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

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Proceedings Article | 30 March 2020 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

Proc. SPIE. 11348, Terahertz Photonics

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

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Proceedings Article | 6 September 2019 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

Proc. SPIE. 11124, Terahertz Emitters, Receivers, and Applications X

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

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Proceedings Article | 13 May 2019 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

Proc. SPIE. 10982, Micro- and Nanotechnology Sensors, Systems, and Applications XI

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

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Proceedings Article | 1 March 2019 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

Proc. SPIE. 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII

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

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Proceedings Article | 30 August 2017 Presentation + Paper

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

A. Satou, T. Otsuji

Proc. SPIE. 10403, Infrared Remote Sensing and Instrumentation XXV

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

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Proceedings Article | 27 January 2017 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

Proc. SPIE. 10111, Quantum Sensing and Nano Electronics and Photonics XIV

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

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Proceedings Article | 29 April 2016 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

Proc. SPIE. 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense

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

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Proceedings Article | 29 April 2016 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

Proc. SPIE. 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense

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

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Proceedings Article | 22 May 2015 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

Proc. SPIE. 9476, Automatic Target Recognition XXV

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

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Proceedings Article | 14 March 2015 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

Proc. SPIE. 9362, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VIII

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

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Proceedings Article | 10 March 2015 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

Proc. SPIE. 9382, Novel In-Plane Semiconductor Lasers XIV

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

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Proceedings Article | 5 September 2014 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

Proc. SPIE. 9199, Terahertz Emitters, Receivers, and Applications V

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

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Proceedings Article | 21 May 2014 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

Proc. SPIE. 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense

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

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Proceedings Article | 31 January 2014 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

Proc. SPIE. 8993, Quantum Sensing and Nanophotonic Devices XI

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

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SPIE Journal Paper | 27 November 2013

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

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

Graphene active plasmonic metamaterials for new types of terahertz lasers

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

Proc. SPIE. 8716, Terahertz Physics, Devices, and Systems VII: Advanced Applications in Industry and Defense

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

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Proceedings Article | 29 May 2013 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

Proc. SPIE. 8725, Micro- and Nanotechnology Sensors, Systems, and Applications V

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

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Proceedings Article | 20 February 2013 Paper

Numerical simulation of terahertz plasmons in gated graphene structures

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

Proc. SPIE. 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI

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

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Proceedings Article | 8 January 2013 Paper

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

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

Proc. SPIE. 8700, International Conference Micro- and Nano-Electronics 2012

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

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Proceedings Article | 9 May 2012 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

Proc. SPIE. 8363, Terahertz Physics, Devices, and Systems VI: Advanced Applications in Industry and Defense

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

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Proceedings Article | 26 May 2011 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

Proc. SPIE. 8023, Terahertz Physics, Devices, and Systems V: Advance Applications in Industry and Defense

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

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Proceedings Article | 24 February 2009 Paper

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

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

Proc. SPIE. 7211, Physics and Simulation of Optoelectronic Devices XVII

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

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Proceedings Article | 1 September 2004 Paper

Analytical and computer models of terahertz HEMT photomixer

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

Proc. SPIE. 5466, Microwave and Terahertz Photonics

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

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Proceedings Article | 25 July 2003 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

Proc. SPIE. 4986, Physics and Simulation of Optoelectronic Devices XI

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

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Showing 5 of 25 publications

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