Recent progress in terahertz metamaterial modulators

Riccardo Degl’Innocenti; Hungyen Lin; Miguel Navarro-Cia

doi:10.1515/nanoph-2021-0803

Recent progress in terahertz metamaterial modulators

Riccardo Degl’Innocenti, Hungyen Lin, Miguel Navarro-Cia

Physics and Astronomy

Research output: Contribution to journal › Review article › peer-review

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Abstract

The terahertz (0.1–10 THz) range represents a fast-evolving research and industrial field. The great interest for this portion of the electromagnetic spectrum, which lies between the photonics and the electronics ranges, stems from the unique and disruptive sectors where this radiation finds applications in, such as spectroscopy, quantum electronics, sensing and wireless communications beyond 5G. Engineering the propagation of terahertz light has always proved to be an intrinsically difficult task and for a long time it has been the bottleneck hindering the full exploitation of the terahertz spectrum. Amongst the different approaches that have been proposed so far for terahertz signal manipulation, the implementation of metamaterials has proved to be the most successful one, owing to the relative ease of realisation, high efficiency and spectral versatility. In this review, we present the latest developments in terahertz modulators based on metamaterials, while highlighting a few selected key applications in sensing, wireless communications and quantum electronics, which have particularly benefitted from these developments.

Original language	English
Pages (from-to)	1485-1514
Number of pages	30
Journal	Nanophotonics
Volume	11
Issue number	8
Early online date	11 Apr 2022
DOIs	https://doi.org/10.1515/nanoph-2021-0803
Publication status	Published - 2 May 2022

Bibliographical note

Funding Information:
RD acknowledge support from the EPSRC grant EP/S019383/1. HL acknowledges financial support from EPSRC grant EP/R019460/1 and Australian Defence Science and Technology Group. MN-C acknowledges financial support from the EPSRC (Grant No. EP/S018395/1), the Royal Society (Grant Nos. IEC/NSFC/191104) and the European Union Horizon 2020 Research and Innovation program (Grant No. 777714).

Publisher Copyright:
© 2022 Riccardo Degl'Innocenti et al., published by De Gruyter, Berlin/Boston.

Keywords

metamaterials
modulators
terahertz

ASJC Scopus subject areas

Biotechnology
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Access to Document

10.1515/nanoph-2021-0803Licence: Creative Commons: Attribution (CC BY)

DeglInnocentiR2022RecentFinal published version, 7.41 MBLicence: Creative Commons: Attribution (CC BY)

1 Active
2 Finished

Experimental demonstration of transmissive-type terahertz digital metamaterial based on microfluidic system
Navarro-Cia, M.
The Royal Society
31/03/20 → 30/03/24
Project: Research Councils
THEIA: fast super-resolution TeraHErtz mIcroscopy for nAtural Sciences
Navarro-Cia, M.
Engineering & Physical Science Research Council
1/08/19 → 31/03/21
Project: Research
H2020_RISE_NOCTURNO
Li, J. T. H. & Navarro-Cia, M.
European Commission
1/01/18 → 30/06/23
Project: EU

Cite this

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Recent progress in terahertz metamaterial modulators

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint

Projects

Experimental demonstration of transmissive-type terahertz digital metamaterial based on microfluidic system

THEIA: fast super-resolution TeraHErtz mIcroscopy for nAtural Sciences

H2020_RISE_NOCTURNO

Cite this