Gain enhancement of circular waveguide antennas using near‐zero index metamaterials
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31839
Abstract: In this article, a rigorous analytical methodology is introduced for designing near-zero refractive index metamaterials (NZIMs). Our proposed NZIM media is realized by three stacked layers of perforated metallic surfaces, each layer composed of a… read more here.
Keywords: enhancement circular; index; index metamaterials; gain enhancement ... See more keywords
Zero-index metamaterials for Dirac fermion in graphene
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.085431
Abstract: We study the response of ballistic electron waves in graphene to a square array composed of gate-defined quantum dots when the incident energy is at the neutral point of the Dirac conical dispersion. The effective… read more here.
Keywords: dirac fermion; graphene; zero index; index metamaterials ... See more keywords