New design of triplexer based on metal–insulator–metal plasmonic ring resonators
In this work, we propose a new design of all-optical triplexer based on of metal–insulator–metal (MIM) plasmonic waveguide structures and ring resonators. By adjusting the radii of ring resonators and the gap distance, certain wavelengths can be filtered out and the crosstalk of each channel can als
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