Double Layer Active Terahertz Chiral Metamaterial/graphene Modulators

Nikita W. Almond,Stephen J. Kindness,Wladislaw Michailow,Binbin Wei,Philipp Braeuninger-Weimer,Stephan Hofmann,Harvey E. Beere,David A. Ritchie,Riccardo DeglInnocenti

Double Layer Active Terahertz Chiral Metamaterial/graphene Modulators

2020

Nikita W. Almond
Stephen J. Kindness
Wladislaw Michailow
Binbin Wei
Philipp Braeuninger-Weimer
Stephan Hofmann
Harvey E. Beere
David A. Ritchie
Riccardo DeglInnocenti

Active circular dichroism is demonstrated with a double layer metamaterial device that uses electrical backgating of monolayer graphene to achieve linear to circular conversion at 2.13 THz.

Keywords:

Graphene
Metamaterial
Materials science
Terahertz radiation
Optoelectronics
Double layer (surface science)
Chirality (chemistry)

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