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All-optical logic gates with multi-functionalities based on photonic crystals

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Abstract

In this paper, we have designed and simulated all-optical logic gates with multi-functionalities based on two-dimensional photonic crystals. All-optical logic gates such as AND, OR, XOR, NOR and NAND are designed, simulated and optimized at 1550 nm wavelength. The operations of the proposed logic gates are based on the phenomenon of interference of optical waves and resonance in the cavity and analyzed with performance parameters such as contrast ratio, transmittance ratio and insertion loss. Based on the identical scheme of photonic crystal structure, multi-functionalities can be realized through tuning refractive index induced by applying voltage or manipulating the initial phase of the input optical wave signals. As a result, the proposed all-optical logic gates with multi-functionalities may contribute to the design of advanced photonic integrated devices.

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Yanxiang Lu performed the simulation and wrote the main manuscript text.Yanxiang Lu, Weijia Li and Sihui Tian prepared figures.Zhi Ting, Jin Wang, Junjun Xue and Lin Chen provided the discussions.Zhikuo Tao supervised the whole work.All authors reviewed the manuscript.

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Correspondence to Zhikuo Tao.

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Lu, Y., Guo, L., Li, W. et al. All-optical logic gates with multi-functionalities based on photonic crystals. Opt Quant Electron 56, 1095 (2024). https://doi.org/10.1007/s11082-024-07059-2

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  • DOI: https://doi.org/10.1007/s11082-024-07059-2

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