A dual-purpose processor based on graphene hybrid plasmonic concentric resonators

IF 2.5 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2024-02-01 DOI:10.1016/j.photonics.2024.101245

Afshin Ahmadpour, Amir Habibzadeh-Sharif, Faezeh Bahrami-Chenaghlou

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Abstract

This paper presents systematic design and analysis of a dual-purpose integrated processor based on graphene hybrid plasmonic concentric add-drop microring resonators for fast differentiation and integration. The footprint of this processor is equal to 4 × 4.358 μm², containing two concentric rings with small radii of 1679 and 1204 nm. Performance of the designed dual-purpose processor for the first and fractional-orders differentiation and integration has been analyzed by the three-dimensional finite-difference time-domain method in the frequency and time domains and the accuracy of the results has been confirmed using the formulas of the ideal math differentiator and integrator. From the point of view of the performance specifications, the designed dual-purpose temporal processor has excellent 3 dB bandwidth, insertion loss, energy efficiency, and accuracy in the first and fractional-orders differentiation and integration.

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基于石墨烯混合等离子体同心谐振器的两用处理器

本文系统地设计和分析了一种基于石墨烯混合等离子体同心滴加微振谐振器的两用集成处理器，用于快速微分和集成。该处理器的尺寸为 4 × 4.358 μm2，包含两个半径分别为 1679 nm 和 1204 nm 的同心圆。利用三维有限差分时域法在频域和时域分析了所设计的两用处理器在一阶和分数阶微分和积分方面的性能，并利用理想数学微分器和积分器的公式确认了结果的准确性。从性能指标的角度来看，所设计的两用时域处理器具有出色的 3 dB 带宽、插入损耗、能效以及一阶和分数阶微分和积分的精度。

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.