Low frequency transverse electric surface plasmon polaritons in a dielectric– graphene–dielectric structure

Authors

Cuihong Yang, Nanjing University of Information Science and Technology,Follow
Zhen Liu, Nanjing University of Information Science and Technology,
Wei Shi, Xi'an University of Technology
C Zhang, University of WollongongFollow

RIS ID

138438

Publication Details

Yang, C., Liu, Z., Shi, W. & Zhang, C. (2019). Low frequency transverse electric surface plasmon polaritons in a dielectric– graphene–dielectric structure. Applied Physics Express, 12 (8), 082009-1-082009-4.

Abstract

Surface plasmon polariton (SPP) can be applied in light emission, sensing and imaging. In this work, by using a structure in which graphene is sandwiched between two dielectric mediums, we demonstrate a nonlinear response mechanism for generating low frequency transverse electric (TE) SPP in the terahertz (THz)/sub-THz regime. Furthermore, unlike any other known SPPs located outside the light cone, a significant part of the nonlinear low frequency TE SPP mode revealed here falls in the light cone. Therefore, it is possible to couple the SPP directly with light without structural modifications, making it a possible radiation source in low frequencies.

Grant Number

ARC/DP160101474