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NEO-PGA: Nonvolatile electro-optically programmable gate array

delete2026-03-06
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OA
AI
R
Rui Chen *
A
Andrew Tang
J
Jayita Dutta
V
Virat Tara
J
Julian Ye
Z
Zhuoran Fang
A
Arka Majumdar *
DOI:10.1126/sciadv.aea9383delete
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摘要

摘要

En 中文
可编程光子集成电路有望实现可重构、多功能的光子系统,类似于电子领域的现场可编程门阵列。然而,其可扩展性受限于对易失性热光调谐的依赖,这会导致高功耗、大尺寸和热串扰。硫系相变材料(PCMs)因其非易失性和显著的光学对比度而成为更优的选择,但光学损耗和比特精度等挑战已严重阻碍其大规模应用。在这里,我们采用闭环“编程与验证”方法,展示了低损耗、多比特控制硫系相变材料Sb2Se3。我们将电可重构的PCM门电路集成到300毫米硅光子平台上,实现了循环和前向马赫-曾德尔干涉仪网格。循环网格支持宽带交换结构和具有前所未有的耦合率局部控制的超高Q值耦合谐振器,而前向网格支持空间模式排序。这些结果建立了一种基于PCMs的可扩展、非易失性光子可编程门阵列,为通用、片上可编程光子系统开辟了途径。
Keyword:
PCM
nonvolatile
photonic integrated circuits
Mach-Zehnder interferometer
reconfigurable optics

期刊

Science Advances 封面图
Science Advances
IF:
12.5
论文数:
2.0W
被引数:
18.1W

机构

U
university of washington
学者数:
9.3K
论文数: 4.3K
被引数: 2
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