Design of All-Optical Subtractors Utilized with Plasmonic Ring Resonators for Optical Computing Article Swipe

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Yichen Ye , Tingting Song , Yiyuan Xie , Chuandong Li ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.3390/photonics10070724

In this paper, a novel plasmonic all-optical half-subtractor and full-subtractor are designed for optical computing. The structure of plasmonic subtractors consists of a metal–insulator–metal (MIM) waveguide and rectangular ring resonators covered by a graphene layer. Due to the nonlinear optical properties of graphene, the states of the plasmonic resonators can be controlled by the pump intensity of a pump beam focused on the graphene layer. The resonators can work as all-optical switches with an ultra-fast response time to constitute optical logic devices according to the directed logic mechanism. A finite-difference time-domain method is utilized to numerically investigate the transmission of the output signals which represent the results of subtraction operations. Simulation results obtained indicate that the proposed plasmonic devices have the ability to implement half-subtraction and full-subtraction with a small feature size and fast response time, and provide a new concept and method for the design and realization of optical computing devices.

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Subtractor Resonator Optical computing Plasmon Optoelectronics Optics Waveguide Computer science Materials science Physics Adder CMOS

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/photonics10070724
PDF: https://www.mdpi.com/2304-6732/10/7/724/pdf?version=1687680888
OA Status: gold
Cited By: 6
References: 67
Related Works: 10
OpenAlex ID: https://openalex.org/W4382140978

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OpenAlex ID: https://openalex.org/W4382140978

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DOI: https://doi.org/10.3390/photonics10070724

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Title: Design of All-Optical Subtractors Utilized with Plasmonic Ring Resonators for Optical Computing

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Language: en

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Publication year: 2023

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Publication date: 2023-06-25

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Authors: Yichen Ye, Tingting Song, Yiyuan Xie, Chuandong Li

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Landing page: https://doi.org/10.3390/photonics10070724

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Concepts: Subtractor, Resonator, Optical computing, Plasmon, Optoelectronics, Optics, Waveguide, Computer science, Materials science, Physics, Adder, CMOS

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Cited by: 6

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