Issue 6, 2018

THz photonics in two dimensional materials and metamaterials: properties, devices and prospects

Abstract

Terahertz radiation refers to a broad electromagnetic spectrum range between microwave and infrared waves, which is also known as the terahertz gap due to inadequate materials and technologies for its generation and manipulation. Atomically thin two dimensional (2D) materials such as graphene, black phosphorus (BP) and transition metal dichalcogenides (TMDs) provide a powerful platform for manipulation of the propagation and detection of terahertz waves. Furthermore, hybrid metamaterials that feature the combination of artificially engineered metamaterials and 2D materials greatly facilitate the dynamic modulation or manipulation of THz radiation towards novel terahertz applications. Herein, we review recent progress in 2D materials in the terahertz domain and hybrid metamaterials with engineered functionalities through the incorporation of graphene, TMDs and BP. The emerging THz devices based on the modulation, nonlinearity, filtering, and plasmonics of 2D materials and metamaterials will be highlighted, and a brief discussion with perspectives and the remaining challenges will be concluded.

Graphical abstract: THz photonics in two dimensional materials and metamaterials: properties, devices and prospects

Article information

Article type
Review Article
Submitted
28 nov 2017
Accepted
03 jan 2018
First published
03 jan 2018

J. Mater. Chem. C, 2018,6, 1291-1306

THz photonics in two dimensional materials and metamaterials: properties, devices and prospects

J. Shi, Z. Li, D. K. Sang, Y. Xiang, J. Li, S. Zhang and H. Zhang, J. Mater. Chem. C, 2018, 6, 1291 DOI: 10.1039/C7TC05460B

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