High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm-Reference-Cited by-同舟云学术

High-Performance All-Optical Logic Operations Using Ψ-Shaped Silicon Waveguides at 1.55 μm

Published:2023-09-19 Issue:9 Volume:14 Page:1793
ISSN:2072-666X
Container-title:Micromachines
language:en
Short-container-title:Micromachines

Author:

Kotb Amer¹²^ORCID,Zoiros Kyriakos E.³,Guo Chunlei⁴^ORCID

Affiliation:

1. School of Chips, XJTLU Entrepreneur College (Taicang), Xi’an Jiaotong-Liverpool University, Taicang, Suzhou 215400, China

2. Department of Physics, Faculty of Science, University of Fayoum, Fayoum 63514, Egypt

3. Lightwave Communications Research Group, Department of Electrical and Computer Engineering, School of Engineering, Democritus University of Thrace, 67100 Xanthi, Greece

4. The Institute of Optics, University of Rochester, Rochester, NY 14627, USA

Abstract

We simulate with FDTD solutions a complete family of basic Boolean logic operations, which includes XOR, AND, OR, NOT, NOR, NAND, and XNOR, by using compact Ψ-shaped silicon-on-silica optical waveguides that are operated at a 1.55 μm telecommunications wavelength. Four identical slots and one microring resonator, all made of silicon deposited on silica, compose the adopted waveguide. The operating principle of these logic gates is based on the constructive and destructive interferences that result from the phase differences incurred by the launched input optical beams. The performance of these logic operations is evaluated against the contrast ratio (CR) metric. The obtained results suggest that the considered functions designed with the employed waveguide can be realized all-optically with higher CRs and faster speeds than other reported designs.

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Mechanical Engineering,Control and Systems Engineering

Link

https://www.mdpi.com/2072-666X/14/9/1793/pdf

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