THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability

Tomotaka Hosotani; Akira Satou; Taiichi Otsuji

doi:10.1109/IRMMW-THz50926.2021.9567205

THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability

Tomotaka Hosotani, Akira Satou, Taiichi Otsuji

Broadband Engineering Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We experimentally observed photomixed THz emission from a dual-grating-gate high-electron-mobility transistor under different bias conditions at 120 K with irradiating photomixed dual-CW-IR laser beams. The observed emission spectral peak frequencies meet well to the theoretical calculations for plasmon mode frequencies, suggesting the photomixed THz emission is amplified by the DC-current-driven plasmonic boom type instability when the electron drift velocity exceeds the plasmon velocity at the plasmon cavity boundary.

Original language	English
Title of host publication	2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021
Publisher	IEEE Computer Society
ISBN (Electronic)	9781728194240
DOIs	https://doi.org/10.1109/IRMMW-THz50926.2021.9567205
Publication status	Published - 2021
Event	46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021 - Chengdu, China Duration: 2021 Aug 30 → 2021 Sept 3

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2021-August
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021
Country/Territory	China
City	Chengdu
Period	21/8/30 → 21/9/3

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz50926.2021.9567205

Cite this

Hosotani, T., Satou, A., & Otsuji, T. (2021). THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability. In 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2021-August). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz50926.2021.9567205

THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability. / Hosotani, Tomotaka; Satou, Akira ; Otsuji, Taiichi.
2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021. IEEE Computer Society, 2021. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2021-August).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hosotani, T, Satou, A & Otsuji, T 2021, THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability. in 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021. International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2021-August, IEEE Computer Society, 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021, Chengdu, China, 21/8/30. https://doi.org/10.1109/IRMMW-THz50926.2021.9567205

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title = "THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability",

abstract = "We experimentally observed photomixed THz emission from a dual-grating-gate high-electron-mobility transistor under different bias conditions at 120 K with irradiating photomixed dual-CW-IR laser beams. The observed emission spectral peak frequencies meet well to the theoretical calculations for plasmon mode frequencies, suggesting the photomixed THz emission is amplified by the DC-current-driven plasmonic boom type instability when the electron drift velocity exceeds the plasmon velocity at the plasmon cavity boundary.",

author = "Tomotaka Hosotani and Akira Satou and Taiichi Otsuji",

note = "Funding Information: ACKNOWLEDGMENTS This work was financially supported by JSPS KAKENHI #18K04277, #18J21073, and #20K20439, Japan. Publisher Copyright: {\textcopyright} 2021 IEEE; 46th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2021 ; Conference date: 30-08-2021 Through 03-09-2021",

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Y1 - 2021

N2 - We experimentally observed photomixed THz emission from a dual-grating-gate high-electron-mobility transistor under different bias conditions at 120 K with irradiating photomixed dual-CW-IR laser beams. The observed emission spectral peak frequencies meet well to the theoretical calculations for plasmon mode frequencies, suggesting the photomixed THz emission is amplified by the DC-current-driven plasmonic boom type instability when the electron drift velocity exceeds the plasmon velocity at the plasmon cavity boundary.

AB - We experimentally observed photomixed THz emission from a dual-grating-gate high-electron-mobility transistor under different bias conditions at 120 K with irradiating photomixed dual-CW-IR laser beams. The observed emission spectral peak frequencies meet well to the theoretical calculations for plasmon mode frequencies, suggesting the photomixed THz emission is amplified by the DC-current-driven plasmonic boom type instability when the electron drift velocity exceeds the plasmon velocity at the plasmon cavity boundary.

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THz Emission in a Dual-Grating-Gate HEMT Promoted by the Plasmonic Boom Instability

Abstract

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