利用PSK技术和光束干涉效应研究基于线性光子晶体的全光门

IF 0.6 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electromagnetics Pub Date : 2023-07-04 DOI:10.1080/02726343.2023.2244829

Asghar Askarian, F. Parandin

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引用次数: 2

摘要

本文采用平面波展开(PWE)和时域有限差分(FDTD)方法对基于线性光子晶体(LPhCs)的所有光学OR、AND、NOR和NAND门进行了数值设计和仿真。采用截面为114的LPhC基板结构设计了由15 × 23立方介质硅棒构成的空气衬底全光门(aogate)。基于相移键控(PSK)技术和波束干涉效应分析了所提出的aogate的工作原理。FDTD仿真结果表明，所有光学与/或或/非与逻辑门的最小对比度分别为8.88和10.31 dB。此外，AND/NOR逻辑门的最小比特率为3.34 Tb/s, OR/NAND逻辑门为5 Tb/s。

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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Investigations of all-optical gates based on linear photonic crystals using the PSK technique and beam interference effect

ABSTRACT In this paper, all optical OR, AND, NOR and NAND gates based on linear photonic crystals (LPhCs) have been numerically designed and simulated by the plane wave expansion (PWE) and finite difference time domain (FDTD) methods. The LPhC fundamental structure with cross-section of 114 is used for designing the proposed all optical gates (AOGATEs), which is composed of 15 × 23 cubic matrix of dielectric silicon rods in air substrate. The mechanism of the proposed AOGATEs is performed based on phase shift keying (PSK) technique and beam interference effect. Simulation results by FDTD approach illustrate the minimum contrast ratio of 8.88 and 10.31 dB for all optical AND/NOR and OR/NAND logic gates, respectively. Also, the minimum bit rate is obtained as 3.34 Tb/s for AND/NOR and 5 Tb/s for OR/NAND logic gates.

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来源期刊

Electromagnetics 工程技术-工程：电子与电气

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

6 months

期刊介绍： Publishing eight times per year, Electromagnetics offers refereed papers that span the entire broad field of electromagnetics and serves as an exceptional reference source of permanent archival value. Included in this wide ranging scope of materials are developments in electromagnetic theory, high frequency techniques, antennas and randomes, arrays, numerical techniques, scattering and diffraction, materials, and printed circuits. The journal also serves as a forum for deliberations on innovations in the field. Additionally, special issues give more in-depth coverage to topics of immediate importance. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. Submissions can be made via email or postal mail.