High data rate 4x2 photonic crystal encoder using irregular hexagon ring resonator

IF 2.5 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Computational Electronics Pub Date : 2025-06-04 DOI:10.1007/s10825-025-02345-y

Wafa Mehrez, Monia Najjar

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引用次数: 0

Abstract

Ultra-fast and highly compact optoelectronic devices are highly needed for optical communication systems. One of the primary devices used in such systems is the optical encoder. In this paper, we present a 4×2 encoder realized using a new photonic crystal (PhC) ring resonator design. The proposed encoder consists of four inputs, two outputs, and two irregular hexagonal-shaped ring resonators. The structure is formed by silicon rods surrounded by air with square lattice photonic crystal structure. The photonic band gap and performance parameters are analyzed using plane wave expansion (PWE) and finite difference time (FDTD) methods. Our simulation results demonstrate that the normalized transmission values less than \(25\%\) and more significant than \(50\%\) are supposed to be logic states 0 and 1, respectively. The encoder’s maximum response time, contrast ratio, and footprint are 161fs, 13, 7dB, and \(204.8\upmu \)m², respectively. Furthermore, the encoder can be used in optical systems with a bit rate of around 6.2Tbps, which is a very suitable device for high-speed networks.

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采用不规则六边形环形谐振腔的高数据速率4x2光子晶体编码器

光通信系统迫切需要超快速、高度紧凑的光电器件。在这种系统中使用的主要设备之一是光学编码器。本文提出了一种利用新型光子晶体环形谐振器设计实现的4×2编码器。该编码器由四个输入、两个输出和两个不规则六边形环形谐振器组成。该结构是由被空气包围的硅棒构成的具有方形晶格的光子晶体结构。利用平面波展开（PWE）和时域有限差分（FDTD）方法对光子带隙和性能参数进行了分析。仿真结果表明，小于\(25\%\)和大于\(50\%\)的归一化传输值分别为逻辑状态0和1。编码器的最大响应时间、对比度和占用空间分别为161fs、13、7dB和\(204.8\upmu \) m2。此外，该编码器可用于光学系统，比特率约为6.2Tbps，是一种非常适合高速网络的设备。

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

Journal of Computational Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-PHYSICS, APPLIED

CiteScore

4.50

自引率

4.80%

发文量

142

审稿时长

>12 weeks

期刊介绍： he Journal of Computational Electronics brings together research on all aspects of modeling and simulation of modern electronics. This includes optical, electronic, mechanical, and quantum mechanical aspects, as well as research on the underlying mathematical algorithms and computational details. The related areas of energy conversion/storage and of molecular and biological systems, in which the thrust is on the charge transport, electronic, mechanical, and optical properties, are also covered. In particular, we encourage manuscripts dealing with device simulation; with optical and optoelectronic systems and photonics; with energy storage (e.g. batteries, fuel cells) and harvesting (e.g. photovoltaic), with simulation of circuits, VLSI layout, logic and architecture (based on, for example, CMOS devices, quantum-cellular automata, QBITs, or single-electron transistors); with electromagnetic simulations (such as microwave electronics and components); or with molecular and biological systems. However, in all these cases, the submitted manuscripts should explicitly address the electronic properties of the relevant systems, materials, or devices and/or present novel contributions to the physical models, computational strategies, or numerical algorithms.