A multi-channeled filter based on the effect of light-tunneling through the coupled Fabry–Perot (FP) cavity resonators is
proposed. The wall of FP cavity is composed of the single-negative metamateiral. Applying the transfer matrix method
we analyze the transmission mechanism of the filter. By introducing the coupled FP cavity resonators at the optical and
microwave frequency ranges respectively, the single resonant mode is split into some discrete resonant peaks, leading to
the multichanneled filtering phenomenon. In comparison with the conventional multichanneled filters, the proposed
structure is more compact and tunable. The microwave experiment results are found in agreement with simulation
results.
We present a thick magneto-optical metal sandwiched between two dielectric magnetophotonic crystals of enhancing Faraday rotation effect. It is found that the transmission and Faraday rotation effect can simultaneously be enhanced when impedance and phase matching conditions are satisfied in the sandwiched. Moreover, the Faraday rotation of a double peak and a single peak is studied in sandwiched structure, respectively.
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