This work presents the study and the design of optical switch based on a hybrid plasmonic-vanadium dioxide based waveguide. The power-attenuating mechanism takes the advantage of the phase change properties of vanadium dioxide that exhibits a change in the real and complex refractive indices upon switching from the dielectric phase to the metallic phase. The proposed switch designed to operate under the telecommunication wavelength. The switch was analyzed by 3D full electro-magnetic simulations. An ER per unit length of 4.32 dB/μm and IL per unit length of 0.88 dB/μm are realized for the proposed electro-optical switch. The proposed electro-optical switch has the advantages of small device foot-print, compatible with the existing VLSI-CMOS technology and broadband operation.
M. Y. Abdelatty and M. A. Swillam, "Hybrid plasmonic electro-optical absorption modulator based on phase change characteristics of vanadium-dioxide," Proc. SPIE 10922, Smart Photonic and Optoelectronic Integrated Circuits XXI, 109221G (Presented at SPIE OPTO: February 05, 2019; Published: 4 March 2019); https://doi.org/10.1117/12.2509554.
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