A plasmonic waveguide end-coupled to two plasmonic cavities in a non-Hermitian quantum system for dual-band unidirectional reflectionlessness |
Hang Yang,Fei Zhao,Ling-Xue Yu,De-Xiu Qiu,Cheng-Shou An,Ying-Qiao Zhang,Xing-Ri Jin |
Figure 1. Schematic of a plasmonic structure that consists of a PW and two end-coupled PCs. |