Emulation of Optical Binary to Gray Code Converter and Even/Odd Parity Checker Circuit Using Electro-optic Effect-Based Directional Couplers

IF 1.5 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
Ajay Yadav, Ajay Kumar, Amit Prakash
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引用次数: 0

Abstract

The utilization of optical directional couplers has emerged as a viable alternative to conventional systems for the execution of error detection using optical signals. The proposed circuit efficiently converts 4-bit binary input signals to gray code representation in the optical domain, reducing errors during transmission and computation. An even/odd parity checker module is also included in the circuit, which improves data integrity and detects single-bit errors in transmitted data. The theoretical basis for the electro-optic effect and its use in directional couplers (EODC) for optical signal transmission inside the proposed circuit. The framework for sophisticated efficient photonic circuit designs with improved error detection and correction capabilities is laid by using EODC, which simplify design and enable seamless integration with existing optical communication technologies. The proposed device layout is made of \(GaAlAs\) material produced from a \(3\mu m\times 3um\) modulator. The coupling length \({(L}_{C})\) of the device is set to \({L}_{C}=1\text{ cm}\). The EODC performs perfect switching with a light wavelength of \(900\text{ nm}\) by creating a refractive index change \((\Delta n)\) of approximately \(\Delta n\cong 1\times {10}^{-4}\). An electric field magnitude of approximately \(3\times {10}^{4}\text{ V}/\text{cm}\) is required to achieve this switching, which corresponds to a voltage of 10 V applied across the electrodes of an EODC over a \(3 \mu \text{m}\) channel.

基于电光效应的定向耦合器的光二灰码转换器和奇偶校验电路仿真
光学定向耦合器的利用已经成为使用光信号执行错误检测的传统系统的可行替代方案。该电路有效地将4位二进制输入信号转换为光域灰码表示,减少了传输和计算过程中的误差。电路中还包括奇偶校验模块,提高了数据的完整性,并检测传输数据中的单比特错误。电光效应的理论基础及其在定向耦合器(EODC)光信号传输中的应用。利用EODC技术,为复杂高效的光子电路设计奠定了框架,改进了错误检测和纠错能力,简化了设计并实现了与现有光通信技术的无缝集成。所提出的器件布局由\(3\mu m\times 3um\)调制器产生的\(GaAlAs\)材料制成。将设备的耦合长度\({(L}_{C})\)设置为\({L}_{C}=1\text{ cm}\)。EODC通过产生约\(\Delta n\cong 1\times {10}^{-4}\)的折射率变化\((\Delta n)\)来实现波长为\(900\text{ nm}\)的完美切换。实现这种开关需要大约\(3\times {10}^{4}\text{ V}/\text{cm}\)的电场大小,对应于在\(3 \mu \text{m}\)通道上EODC的电极上施加10 V的电压。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Brazilian Journal of Physics
Brazilian Journal of Physics 物理-物理:综合
CiteScore
2.50
自引率
6.20%
发文量
189
审稿时长
6.0 months
期刊介绍: The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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