Design and research of logic gate based on photonic crystal self-collimation effect

Yule Xue; Yaqi Hu; Dongxing Meng

doi:10.1117/12.2628068

18 February 2022 Design and research of logic gate based on photonic crystal self-collimation effect

Yule Xue, Yaqi Hu, Dongxing Meng

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Proceedings Volume 12162, International Conference on High Performance Computing and Communication (HPCCE 2021); 1216203 (2022) https://doi.org/10.1117/12.2628068
Event: 2021 International Conference on High Performance Computing and Communication, 2021, Guangzhou, China

Abstract

Based on polarization independent optical splitters and beam splitters, a new logic gate design method based on self collimation effect is proposed. Using the characteristics of light self-collimation transmission in the photonic crystal, combined with the optical splitter, the optical path difference is introduced, so that the corresponding phase difference between the incident light is generated. It makes the light beam produce interference effect at the beam splitter converge, so as to realize the logic function of NOR gate, NAND gate and XOR gate. Simultaneously, the plane wave expansion method and the finite difference time domain method are used to simulate and analyze the logic gate in the TM polarization mode to verify its logic function. The analysis of the results shows that the logic gate designed by self-collimation effect and linear interference is compact, smaller in size, easy to manufacture, short in time response, high in transmittance, and more suitable for the development of optical integration.

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Yule Xue, Yaqi Hu, and Dongxing Meng "Design and research of logic gate based on photonic crystal self-collimation effect", Proc. SPIE 12162, International Conference on High Performance Computing and Communication (HPCCE 2021), 1216203 (18 February 2022); https://doi.org/10.1117/12.2628068

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KEYWORDS

Photonic crystals

Beam splitters

Logic

Logic devices

Signal detection

Transmittance

Finite-difference time-domain method

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