光学负折射率薄膜对光学双稳态的影响
Effect of an Optical Negative Index Thin Film on Optical Bistability
摘要：
本文研究了由具有克尔型非线性的正折射率材料（PIM）层和夹在半无限长线性介质之间的线性负折射率材料（NIM）亚波长层组成的层状结构中的非线性传输。我们发现，一个薄层的NIM导致显着的变化时，非线性板的滞后宽度被照射在一个角度附近的全内反射。单向二极管传输与增强的操作范围被证明。这些结果可能是有用的NIMs表征和设计新的NIMs为基础的设备。
英文摘要：
We investigate nonlinear transmission in a layered structure consisting of a slab of positive index material (PIM) with Kerr-type nonlinearity and a sub-wavelength layer of linear negative index material (NIM) sandwiched between semi-infinite linear dielectrics. We find that a thin layer of NIM leads to significant changes in the hysteresis width when the nonlinear slab is illuminated at an angle near that of total internal reflection. Unidirectional diode-like transmission with enhanced operational range is demonstrated. These results may be useful for NIMs characterization and for designing novel NIMs based devices.
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