A grating-bicoupled plasma-wave photomixer with resonant-cavity enhanced structure

Otsuji, Taiichi; Hanabe, Mitsuhiro; Nishimura, Takuya et al.

OPTICS EXPRESS, 2006, 14(11), 4815-4825

Permalink : https://hdl.handle.net/2115/14489

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アクセス権
open access
URI
https://hdl.handle.net/2115/14489
タイトル
A grating-bicoupled plasma-wave photomixer with resonant-cavity enhanced structure
著者
Otsuji, Taiichi ; Hanabe, Mitsuhiro ; Nishimura, Takuya ; Sano, Eiichi
著者名
Otsuji, Taiichi
著者名
Hanabe, Mitsuhiro
著者名
Nishimura, Takuya
e-Rad_Researcher
10333650
著者名
Sano, Eiichi
佐野, 栄一
言語
英語
キーワード
Optical devices : Quantum-well devices
Optical devices : Sources
Optics at surfaces : Surface plasmons
発行日
2006-05-29
出版者
Optical Society of America
収録物名
OPTICS EXPRESS
巻(号)
14(11)
ページ
4815-4825
抄録
A novel terahertz plasma-wave photomixer that can improve the conversion gain and terahertz radiation power is proposed and evaluated. The photomixer is based on a high-electron mobility transistor and incorporates doubly interdigitated grating strips for the gate electrodes that periodically localize the 2D plasmons in 100-nm regions with a micron-order interval. A vertical cavity structure is formed in between the top metal grating and a terahertz mirror placed at the backside. The device features electronic tuning of plasmon characteristic frequencies, providing continuously-tunable operation below 1 THz to beyond 10 THz. Frequency-dependent finite-differential time-domain analysis demonstrates that the grating-bicoupled plasmonic structure acts as a broadband terahertz photomixer and antenna and that the vertical cavity structure effectively enhances the conversion gain and radiation power
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
© 2006 Optical Society of America
PISSN
1094-4087
EISSN
1094-4087
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1364/OE.14.004815