Effect of an Optical Negative Index Thin Film on Optical Bistability

Abstract

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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• Coherent Nonlinear Optics and Quantum Control in Negative-Index Metamaterials
• Intrinsic optical bistability of thin films of linear molecular aggregates: The two-exciton approximation
• Optical Pulse Dynamics in Active Metamaterials with Positive and Negative Refractive Index