Document Type : Research
Authors
1 Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 Shahid Chamran University of Ahvaz
3 Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, Tiruchirappalli, India
Abstract
In this research, a new switch based on plasmonic ring resonator is proposed for the third telecommunication window. The designed structure consists of a ring in a silver region, the collar of which is barium oxide with silver nanoparticles, and it is considered a non-linear material. Placing the nonlinear ring at a distance of 10 nm from the waveguide causes the transmitted light power to change the effective refractive index of the ring and changes its resonance wavelength. The dependence of the resonance wavelength of the nonlinear ring on the power of the optical pump causes a change in the interference pattern of the wave inside the ring with the passing signal. This makes the signal transmission efficiency controllable and the structure can be used as an optical switch. The simulation results show that the structure contrast ratio is equal to 3.85 dB, which is more than some previous works. The area of the designed structure is 0.093 µm2, which is a special feature compared to previous researches and is required in optical integrated circuits.
Keywords
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