基于 Ln3+ 离子的可重编程和可重构光子分子逻辑门,Advanced Optical Materials

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基于 Ln3+ 离子的可重编程和可重构光子分子逻辑门
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2022-03-20 , DOI: 10.1002/adom.202200138
Sofia Zanella ₁ , Miguel A. Hernández‐Rodríguez ₁ , Lianshe Fu ₁ , Luís D. Carlos ₁ , Rute A. S. Ferreira ₁ , Carlos D. S. Brites ₁

Affiliation

硅芯片的小型化正在达到其物理极限，而晶体管非常小，以至于漏电将成为一个无法克服的问题。此外，实际的芯片短缺表明世界对硅的过度依赖，强调了对无硅计算策略的需求。通过操纵光子的量子计算过程信息，以及由单个分子执行的计算被提议作为替代方案，在小型化、性能增强和能源效率方面具有潜在的好处。分子逻辑可以在计算机行业的未来发挥决定性作用，而三价镧系离子独特的光子特性使其成为整合未来分子逻辑应用的合适候选者。在这项工作中，一个 Eu ³⁺/Tb ³⁺共掺杂有机-无机杂化物作为一个说明性的全光子逻辑平台，通过镧系元素和混合主体发射的衰减动力学构建。除了组合 AND、NAND 和 INH 逻辑门外，该系统还提供可选的 Eu ³⁺、 Tb ³⁺或宿主发射，从而能够开发可重新编程和可重新配置的光子分子逻辑门。展示了基于激发波长的从 AND 到 INH 逻辑门的全光子温度可编程变化以及 INH 和 AND1 或 AND2 门之间的重新配置，表明朝着镜像电子逻辑对应物迈出了明显的一步。

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Reprogrammable and Reconfigurable Photonic Molecular Logic Gates Based on Ln3+ Ions

The miniaturization of the silicon chips is reaching its physical limits, and the transistors are so small that current leakage will become an insurmountable problem. Additionally, the actual chip shortage makes clear the excessive world dependence on silicon, stressing the need for silicon-free computing strategies. Quantum computing process information by manipulating photons, and computation performed by individual molecules are being proposed as alternatives, with potential benefits in terms of miniaturization, performance enhancement, and energy efficiency. Molecular logics can play a decisive role in the future of the computer industry, and the unique photonic characteristics of trivalent lanthanide ions make them suitable candidates to integrate future molecular logic applications. In this work, a Eu³⁺/Tb³⁺ co-doped organic–inorganic hybrid is presented as an illustrative all-photonic logic platform constructed through the decay dynamics of both lanthanide and hybrid host emissions. Besides combinatory AND, NAND, and INH logic gates, this system presents on-choice Eu³⁺, Tb³⁺, or host emission enabling the development of reprogrammable and reconfigurable photonic molecular logic gates. All-photonic temperature-reprogrammable changes from AND to INH logic gates and a reconfiguration among INH and AND1 or AND2 gates, based on the excitation wavelength are demonstrated, showing a clear step forward toward mirroring electronic logic counterparts.

更新日期：2022-03-20

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