Abstract
In order to achieve nonreciprocal transmission, we design an optical system composed of a sandwiched structure (magneto-optical media/metal/magneto-optical media) and a pair of coupling prisms. Using the developed transfer matrix method for magnetic materials, we study the transmission properties of the system in detail. The unusual result is that a tunable nonreciprocal resonance tunneling can be achieved through a nonsymmetric configuration of the system. The nonreciprocal resonance tunneling results from the nonsymmetric coupling of magnetoplasmonic coupled resonances. The results are verified through an electromagnetic field simulation based on the finite element solver.
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