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 5. The forward (a) and backward (b) reflection spectra as the functions of wavelength and ratio Γ21 of the decay rates of two PCs, respectively. The related parameters are η1 = η2 = η = 0.2 × 1013 rad s−1, Γ1 = 1.45η, g = 2.98 × 1013 rad s−1, and Γ2 is variable.