消息
×
loading..
All-microwave CZ gate based on fixed-frequency driven coupler
2025-04-01
发表期刊CHINESE PHYSICS B (IF:1.5[JCR-2023],1.4[5-Year])
ISSN1674-1056
EISSN2058-3834
卷号34期号:4
发表状态已发表
DOI10.1088/1674-1056/adb68a
摘要

High-quality entangling gates are crucial for scalable quantum information processing. Implementing all-microwave two-qubit gates on fixed-frequency transmons offers advantages in reducing wiring complexity, but the gate performance is often limited due to the residual ZZ interaction and the frequency crowding problem. Here, we introduce a novel scheme that enables a microwave drive-activated CZ gate compatible with the coupler structure to suppress the residual ZZ interaction. The microwave drive is applied to the coupler and the microwave drive frequency remains far detuned from the system's transition frequency to alleviate the frequency crowding problem. We model the gate process analytically and demonstrate a theoretical gate fidelity up to 99.9% numerically. Our scheme is compatible with current coupler-structure-based circuits, and insensitive to microwave crosstalk, showing a possible path for all-microwave quantum operations at scale.

关键词quantum computing superconducting qubit two-qubit gate 03.67.Lx
URL查看原文
收录类别SCI ; EI
语种英语
资助项目Key-Area Research and Development Program of Guangdong Province, China[2020B0303030002] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB0670000] ; National Key Research and Development Program of China[2023YFB4404904]
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:001466652200001
出版者IOP Publishing Ltd
EI入藏号20251618254947
EI主题词Qubits
EI分类号210 Adhesive Materials ; 214 Materials Science ; 714.2 Semiconductor Devices and Integrated Circuits ; 716.1 Information Theory and Signal Processing ; 741 Light, Optics and Optical Devices ; 741.1 Light/Optics ; 761 Nanotechnology ; 1301.1.4 Quantum Theory ; Quantum Mechanics ; 1301.2.1 High Energy Physics
原始文献类型Journal article (JA)
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/520689
专题物质科学与技术学院_博士生
通讯作者Lin, Z. R.
作者单位
1.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Mat Integrated Circuits, Shanghai 200050, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.ShanghaiTech Univ, Shanghai 201210, Peoples R China
推荐引用方式
GB/T 7714
Gao, Wanpeng,He, Xiaoliang,Niu, Zhengqi,et al. All-microwave CZ gate based on fixed-frequency driven coupler[J]. CHINESE PHYSICS B,2025,34(4).
APA Gao, Wanpeng.,He, Xiaoliang.,Niu, Zhengqi.,Bao, Daqiang.,Liu, Kuang.,...&Lin, Z. R..(2025).All-microwave CZ gate based on fixed-frequency driven coupler.CHINESE PHYSICS B,34(4).
MLA Gao, Wanpeng,et al."All-microwave CZ gate based on fixed-frequency driven coupler".CHINESE PHYSICS B 34.4(2025).
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
个性服务
查看访问统计
谷歌学术
谷歌学术中相似的文章
[Gao, Wanpeng]的文章
[He, Xiaoliang]的文章
[Niu, Zhengqi]的文章
百度学术
百度学术中相似的文章
[Gao, Wanpeng]的文章
[He, Xiaoliang]的文章
[Niu, Zhengqi]的文章
必应学术
必应学术中相似的文章
[Gao, Wanpeng]的文章
[He, Xiaoliang]的文章
[Niu, Zhengqi]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。