Controlling silicon spin qubits with DACs

IF 33.7 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

Nature Electronics Pub Date : 2025-03-24 DOI:10.1038/s41928-025-01370-w

Matthew Parker

引用次数: 0

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用dac控制硅自旋量子位

来自中国电子科技大学、南方科技大学和成都数据自动化系统技术有限公司的研究人员利用65纳米CMOS工艺和两个数模转换器（DAC）制造了一个芯片，该转换器控制单电子晶体管的栅极和源。在产生静态输出电压时，芯片的功耗为60 μW，在最高频率20mhz调制时，功耗增加到300 μW。在60 mK时，它还实现了4.1nV Hz-0.5的电压噪声密度。原始参考文献：Cryo-CMOS 18位双dac操纵器，精度为4.6μV，噪声为4.1nV/Hz0.5，与60 mK时的单电子晶体管共集成。固体电路会议（2025）；https://www.isscc.org/program-overview

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来源期刊

Nature Electronics Engineering-Electrical and Electronic Engineering

CiteScore

47.50

自引率

2.30%

发文量

159

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