等离子体定向耦合器的仿真与设计:在基于干涉的全光门中的应用

2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) Pub Date : 2021-09-13 DOI:10.1109/NUSOD52207.2021.9541454

Mohammadamin Ghomashi, A. Tibaldi, F. Bertazzi, M. Vallone, M. Goano, G. Ghione

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引用次数: 1

摘要

本文主要研究了基于等离子体多槽定向耦合器的光学元件的设计。特别提出了一种全光门的设计，其工作原理是基于三个等离子体槽之间的耦合。设备输入波长为1550nm，是长途通信系统的典型波长。器件占地面积小至11×6µm2，与栅极的对比度约为5.8 dB。采用时域有限差分法(FDTD)和本征模有限差分法(FDE)对器件进行仿真和优化。

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Simulation and design of plasmonic directional couplers: application to interference-based all-optical gates

The paper is focused on the design of optical components based on plasmonic multi-slot directional couplers. In particular, the design of an all-optical gate is proposed, whose operation is based on the coupling between three plasmonic slots. The device input wavelength is 1550 nm, typical of long-haul telecommunication systems. The device footprint is as small as 11×6 µm2 and the contrast ratio as an AND gate is about 5.8 dB. The two well-known Finite-Difference Time-Domain (FDTD) and Finite-Difference Eigenmode (FDE) methods are used for the device simulation and optimization.

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2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)

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