Title :
Unbounded spatial spectrum of propagating waves in a polaritonic wire medium
Author :
M. S. Mirmoosa;S. Yu. Kosulnikov;C. R. Simovski
Author_Institution :
Department of Radio Science and Engineering, School of Electrical Engineering, Aalto University, P.O. Box 13000, FI-00076 AALTO, Finland
Abstract :
We reveal an exciting feature of a topological transition in a metamaterial formed by parallel nanowires of polaritonic material. When the dispersion transits from the epsilon-positive to the epsilon-indefinite regime an unbounded spatial spectrum of propagating eigen-modes arises that implies an extraordinary Purcell factor.
Keywords :
"Wires","Dispersion","Metamaterials","Nanowires","Permittivity","Optical losses","Electromagnetics"
Conference_Titel :
Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2015 9th International Congress on
DOI :
10.1109/MetaMaterials.2015.7342577
