تغییر شکل بزرگ گویا برای تغییر حالت های مختلف در فلز ورق فلزی موج فلزی با مواد الکترو اپتیک

We study the large Goos–Hänchen (GH) shift for different guided mode in the metal–insulator–metal waveguide by the adjusting of electro-optic (EO) material permittivity. Stationary-phase method is used to calculate the GH shifts for different guided mode propagating in the waveguide, and simulation results show that the increase of the upper-cladding metal layer reduces the GH shift and the critical incident angle. In addition, the GH shift of higher-order mode has less sensitivity to the change of thickness of upper-cladding metal layer but better sensitivity to the incident angle than lower-order mode. These different properties of GH shift for different modes can be used to design detectors with different functions.