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Updated: Mar 8, 2026

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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NEO-PGA:非挥发性的电光可编程门阵列
Rui Chen1,2, Andrew Tang1, Jayita Dutta1
1Department of Electrical and Computer Engineering, University of Washington, Seattle, WA 98195, USA.
Science advances
|March 6, 2026
概括
研究人员开发了一种可扩展的,非挥发的光子可编程门阵列,使用石化变相材料 (PCM). 这一突破克服了当前光子集成电路的局限性,使得先进的芯片上光子系统成为可能.
科学领域:
- 光子学 是一个光子学.
- 材料科学 材料科学 材料科学
- 集成电路 集成电路
背景情况:
- 可编程光子集成电路 (PPIC) 提供了可重新配置的系统,但由于挥发性的热光学调而面临可扩展性问题,导致高功耗和热交叉声.
- 炭化物相变材料 (PCM) 是具有显著光学对比度的非挥发性替代品,但光学损失和比特精度限制了它们的应用.
研究的目的:
- 为了证明Sb2Se3的低损耗,多位控制,一个素化物相变材料.
- 为可扩展的PPIC集成电气可重新配置的PCM门到光子平台中.
主要方法:
- 使用闭环"编程和验证"方法来精确控制Sb2Se3.
- 集成PCM门进入300毫米光子平台,创建循环和前向马赫-泽恩德干扰仪网格.
主要成果:
- 实现了Sb2Se3的低损失,多位控制,克服了以前的限制.
- 使用循环网的宽带交换面料和高Q合共振器.
- 实现了空间模式分类功能与前面的网格.
结论:
- 建立了一个可扩展的,非挥发的光子可编程门阵列,由PCM启用.
- 开辟了通用,芯片上可编程光子系统的新途径.
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