We aim at providing a global perspective on electromagnetic nonreciprocity and clarifying
confusions that arose in recent developments of the field. We provide a general definition of …

In this review, we survey the recent advances in nonlinear optics and the applications of two-
dimensional (2D) materials. We briefly cover the key developments pertaining to research in …

We investigate a novel implementation of hyperbolic metamaterial (HM) at far-infrared
frequencies composed of stacked graphene sheets separated by thin dielectric layers. Using …

Exceptional advancement has been made in the development of graphene optical
nanoantennas. They are incorporated with optoelectronic devices for plasmonics application …

Integrating multiple functionalities into a single metasurface is becoming of great interest for
future intelligent communication systems. While such devices have been extensively …

Nonreciprocity can be passively achieved by harnessing material nonlinearities. In
particular, networks of nonlinear bistable elements with asymmetric energy landscapes have …

A new class of magnet-free nonreciprocal plasmonic devices operating at terahertz (THz)
frequencies is introduced based on the spatiotemporal modulation of graphene's …

We discuss the possibility of plasmon canalization, collimation, and tunneling over ultrathin
metasurfaces, enabled by extreme anisotropy in their complex conductivity dyadic. The …

We review the use of graphene to develop reconfigurable, miniaturized, and efficient
terahertz (THz) antennas and associated feeding networks, and attempt to identify current …

The propagation of surface waves along electrically and magnetically biased graphene-
based cylindrical waveguides (GCWs) is investigated in detail. Analytical dispersion …