High thermal conductivity and a high breakdown field make diamond a promising candidate
for high-power and high-temperature semiconductor devices. Diamond also has a higher …

Unique properties of graphene are combined to enable graphene plasmonic devices that
could revolutionize the terahertz (THz) electronic technology. A high value of the carrier …

We study terahertz (THz) radiation transmission through grating-gate graphene-based
nanostructures. We report on room-temperature THz radiation amplification stimulated by …

Terahertz (THz) radiation couples to a two-dimensional electron plasma in high-electron-
mobility heterostructures which allows one to study fundamental properties of this electron …

Experimental and theoretical studies on ratchet effects in graphene with a lateral superlattice
excited by alternating electric fields of terahertz frequency range are presented. A lateral …

We report on the observation of the ratchet effect—generation of direct electric current in
response to external terahertz radiation—in bilayer graphene, where inversion symmetry is …

We report the observation of the terahertz-induced ratchet effect in graphene-based two-
dimensional (2D) metamaterials. The metamaterial consists of a graphite gate patterned with …

The terahertz (THz) technology has found applications ranging from astronomical science
and earth observation to compact radars, non-destructive testing, chemical analysis …

We report on the observation of the circular ratchet effect excited by terahertz laser radiation
in a specially designed two-dimensional metamaterial consisting of a graphene monolayer …

Vapor generation is of prime importance for a broad range of applications: domestic water
heating, desalination and wastewater treatment, etc. However, slow and inefficient …