基于二维光子晶体全光逻辑门的设计

吴蓉; 张皓辰; 杨建业

doi:10.37188/CO.EN-2023-0014

Volume 17 Issue 1

Jan. 2024

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Article Contents

Chinese Optics > 2024 > 17(1): 245-251.

WU Rong, ZHANG Hao-chen, YANG Jian-ye. Design of all-optical logic gate based on two-dimensional photonic crystal[J]. Chinese Optics, 2024, 17(1): 245-251. doi: 10.37188/CO.EN-2023-0014

Citation:

WU Rong, ZHANG Hao-chen, YANG Jian-ye. Design of all-optical logic gate based on two-dimensional photonic crystal[J]. Chinese Optics, 2024, 17(1): 245-251. doi: 10.37188/CO.EN-2023-0014

WU Rong, ZHANG Hao-chen, YANG Jian-ye. Design of all-optical logic gate based on two-dimensional photonic crystal[J]. Chinese Optics, 2024, 17(1): 245-251. doi: 10.37188/CO.EN-2023-0014

Citation:

WU Rong, ZHANG Hao-chen, YANG Jian-ye. Design of all-optical logic gate based on two-dimensional photonic crystal[J]. Chinese Optics, 2024, 17(1): 245-251. doi: 10.37188/CO.EN-2023-0014

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Design of all-optical logic gate based on two-dimensional photonic crystal

doi: 10.37188/CO.EN-2023-0014

School of Electronic and Information Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Funds: Supported by Natural Science Foundation of Gansu Province (No. 21JR7RA289)

More Information

Author Bio:
WU Rong (1968—), female, born in Wuwei city, Gansu province, Professor, School of Electronic and Information Engineering, Lanzhou Jiaotong University. Her research interests are on semiconductor integrated circuit. E-mail: 759165367@qq.com

ZHANG Hao-chen (1997—), male, born in Tongwei country, Gansu province, postgraduate, School of Electronic and Information Engineering, Lanzhou Jiaotong University. His research area centers primary on optical devices. E-mail: 2651809834@qq.com
Corresponding author: 2651809834@qq.com
Received Date: 28 Jul 2023
Rev Recd Date: 07 Aug 2023

Available Online: 22 Sep 2023

Abstract

Abstract

By embedding a line defect in a two-dimensional photonic crystal and using linear interference effect and waveguide coupling, an XNOR gate and NAND gate structure based on a two-dimensional photonic crystal is designed. The band structure of the two-dimensional photonic crystal is analyzed by using the plane wave expansion method. The time-domain finite-difference method and the linear interference effect are used to simulate the stable electric field diagram and the normalized power of the XNOR gate and NAND gates on the Rsoft platform. The simulation results demonstrate that the designed XNOR gate has a contrast of 29.5 dB, a response time of 0.073 ps, and a data transmission rate of 13.7 Tbit/s. On the other hand, the designed NAND gate has a contrast of up to 24.15 dB, a response time of 0.08 ps, and a data transmission rate of 12.5 Tbit/s. It can be seen that the designed structure has a high contrast, short response time, and fast data transmission rate.
- photonic crystal,
- logic gate,
- finite difference time domain method,
- interference,
- contrast

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References(19)

References

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