Design of hybrid multilayer plasmonic switch-cum-splitter with 90° bends

Singh, Mandeep (2018) Design of hybrid multilayer plasmonic switch-cum-splitter with 90° bends. Optik, 178. pp. 902-908. ISSN 0030-4026

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A 1 × 2 silicon switch-cum-splitter in the telecommunication C-band is proposed and simulated in the present work. The switch element uses phase transition in phase change material (PCM) when embedded in Metal-Insulator-Silicon-Insulator-Metal (MISIM) waveguide and exhibits 1 × 2 switching between the input and the output ports, and also shows 8.05 dB (6.34 dB) power division depending on the phase of VO2 (GST), respectively. However, during switching 14.36 dB (10.08 dB) extinction ratio is achieved. In principle, the switch-cum-splitter is governed by the direct tailoring of the quasi-TM modes within MISIM waveguides while appropriate PCM phases, impedances of the waveguide sections and positioning of the PCM block on the MISIM waveguides are all taken into account, which have been demonstrated and analyzed through FEM based COMSOL numerical simulations.

Item Type: Article
Uncontrolled Keywords: Hybrid plasmonic waveguide Finite element method GST VO2 Photonic switch Optical splitter
Subjects: Engineering > MIT Manipal > Electronics and Communication
Depositing User: MIT Library
Date Deposited: 10 Nov 2018 07:01
Last Modified: 10 Nov 2018 07:01

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