All-photon logic gate calculation based on phase change materials

IF 6.6 2区 物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Jiapeng Sun, Jinhua Mou, Jiaxing Gao, Jianwei Wang, Yuxin Liu, Wei Jin, Yu Zhang, Lu Liu, Hanyang Li, Zhihai Liu
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引用次数: 0

Abstract

Information modulation plays a crucial role in the contemporary development of photonic information networks. However, prevailing optical modulators exhibit challenges such as structural complexity, high cost, elevated insertion losses, and crosstalk issues in optoelectronic conversion. To address these concerns, we propose a novel all-photonic non-volatile fiber device based on Ge2Sb2Te5 (GST), integrating a dual peanut-shaped microstructure and GST. The state of GST is manipulated through external laser modulation, enabling repeatable or randomly accessible ten-level data storage. The all-photonic modulator features non-volatility, a contrast ratio of 21 dB, and repeatability (0.2 dB). Furthermore, by configuring the all-photonic modulator in both series and parallel connections, we successfully implement logical gate functions “AND” and “OR”, showcasing significant potential in information network control.
基于相变材料的全光子逻辑门计算
信息调制在当代光子信息网络的发展中起着至关重要的作用。然而,目前流行的光调制器在光电转换中存在结构复杂、成本高、插入损耗高和串扰等问题。为了解决这些问题,我们提出了一种基于Ge2Sb2Te5 (GST)的新型全光子非易失性光纤器件,集成了双花生状微观结构和GST。GST的状态通过外部激光调制来操纵,从而实现可重复或随机访问的十级数据存储。全光子调制器具有无挥发性,对比度为21 dB,可重复性(0.2 dB)。此外,通过在串联和并联连接中配置全光子调制器,我们成功地实现了逻辑门功能“与”和“或”,显示出在信息网络控制方面的巨大潜力。
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来源期刊
Nanophotonics
Nanophotonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
13.50
自引率
6.70%
发文量
358
审稿时长
7 weeks
期刊介绍: Nanophotonics, published in collaboration with Sciencewise, is a prestigious journal that showcases recent international research results, notable advancements in the field, and innovative applications. It is regarded as one of the leading publications in the realm of nanophotonics and encompasses a range of article types including research articles, selectively invited reviews, letters, and perspectives. The journal specifically delves into the study of photon interaction with nano-structures, such as carbon nano-tubes, nano metal particles, nano crystals, semiconductor nano dots, photonic crystals, tissue, and DNA. It offers comprehensive coverage of the most up-to-date discoveries, making it an essential resource for physicists, engineers, and material scientists.
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