Optical bistability induced by nonlinear surface plasmon polaritons in graphene in terahertz regime

• DOI: 10.1063/1.4936232
• Publication Date: 2015-11-20T19:34:55Z
• Authors: Matthew Sanderson; Yee Sin Ang; Sen Gong; Tao Zhao; Min Hu; Renbin Zhong; Xiaoxing Chen; Ping Zhang; Chao Zhang; Shenggang Liu
• Keywords: Optical Bistability; Bistability; Localized surface plasmon; Surface conductivity; Prism; Optical conductivity

We demonstrate optical bistability in a prism-air-graphene-dielectric structure. Under moderate electric field the terahertz frequency regime, third order nonlinear conductivity is comparable to linear conductivity. The enhances energy of surface plasmon polaritons. Both and polaritons depend on strength current graphene layer. When considering excitation Kretschmann configuration, reflectance as function exhibits bistability. origin dependence mode. have determined parameter regime for occurrence this