High‐Speed Modulations of Guided Terahertz Waves via 2DEG Tiny Metasurfaces
Abstract: Metasurfaces have emerged as fascinating planar optical components and devices, and, in particular, active metasurfaces confer more multifunctional expansions. However, the metasurface research has mainly focused on operating the light in free space, which hardly satisfies the system‐level compactness and miniaturization. The potential of the metasurface for guided wave modulation remains to be further developed. Here, an integrated electronic device is reported by embedding a tiny metasurface, which consists of several patterned 2D electron gas (2DEG) microstructures in a waveguide. This device suppresses excessive parasitism to improve the modulation speed and enhances the electromagnetic field interaction to improve the modulation efficiency. It is experimentally demonstrated that high‐speed modulations are electrically excited by the guided terahertz waves on a time scale of 40 ps via the tiny metasurface. This scheme represents a new platform for compact and high‐speed integrated electronics.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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High‐Speed Modulations of Guided Terahertz Waves via 2DEG Tiny Metasurfaces ; day:14 ; month:07 ; year:2023 ; extent:9
Laser & photonics reviews ; (14.07.2023) (gesamt 9)
- Urheber
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Zeng, Hongxin
Gong, Sen
Wang, Lan
Ding, Kesen
Liang, Huajie
Lan, Feng
Zhou, Tianchi
Liang, Shixiong
Wang, Wei
Gong, Yubin
Yang, Ziqiang
Cui, Tie Jun
Zhang, Yaxin
- DOI
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10.1002/lpor.202300122
- URN
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urn:nbn:de:101:1-2023071515132426140253
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:45 MESZ
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Beteiligte
- Zeng, Hongxin
- Gong, Sen
- Wang, Lan
- Ding, Kesen
- Liang, Huajie
- Lan, Feng
- Zhou, Tianchi
- Liang, Shixiong
- Wang, Wei
- Gong, Yubin
- Yang, Ziqiang
- Cui, Tie Jun
- Zhang, Yaxin
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