Building and characterizing a stylus ion-trap system

doi:10.1088/1674-1056/ad22d9

中国物理B ›› 2024, Vol. 33 ›› Issue (4): 43701-043701.doi: 10.1088/1674-1056/ad22d9

Building and characterizing a stylus ion-trap system

Tai-Hao Cui(崔太豪)^1,2,†, Ya-Qi Wei(魏雅琪)^3,†, Ji Li(李冀)^4,†, Quan Yuan(袁泉)¹, Shuang-Qing Dai(戴双晴)^1,2, Pei-Dong Li(李沛东)^1,2, Fei Zhou(周飞)^1,4, Jian-Qi Zhang(张建奇)¹, Zhu-Jun Zheng(郑驻军)^3,†, Liang Chen(陈亮)^1,4,‡, and Mang Feng(冯芒)^1,4,5,§

1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China;
2 University of the Chinese Academy of Sciences, Beijing 100049, China;
3 Laboratory of Quantum Science and Engineering, South China University of Technology, Guangzhou 510641, China;
4 Research Center for Quantum Precision Measurement, Guangzhou Institute of Industry Technology, Guangzhou 511458, China;
5 Department of Physics, Zhejiang Normal University, Jinhua 321004, China

收稿日期:2023-12-24 修回日期:2024-01-13 接受日期:2024-01-26 出版日期:2024-03-19 发布日期:2024-04-01
通讯作者: Liang Chen, Mang Feng E-mail:liangchen@wipm.ac.cn;mangfeng@wipm.ac.cn
基金资助:
Project supported by the Special Project for Research and Development in Key Areas of Guangdong Province, China (Grant No. 2020B0303300001), the National Natural Science Foundation of China (Grant Nos. U21A20434, 12074346, 12074390, 11835011, 11804375, and 11804308), the Fund from the Key Laboratory of Guangzhou for Quantum Precision Measurement (Grant No. 202201000010), the Science and Technology Projects in Guangzhou (Grant No. 202201011727), and the Nansha Senior Leading Talent Team Technology Project (Grant No. 2021CXTD02).

Building and characterizing a stylus ion-trap system

1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Innovation Academy of Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China;
2 University of the Chinese Academy of Sciences, Beijing 100049, China;
3 Laboratory of Quantum Science and Engineering, South China University of Technology, Guangzhou 510641, China;
4 Research Center for Quantum Precision Measurement, Guangzhou Institute of Industry Technology, Guangzhou 511458, China;
5 Department of Physics, Zhejiang Normal University, Jinhua 321004, China

Received:2023-12-24 Revised:2024-01-13 Accepted:2024-01-26 Online:2024-03-19 Published:2024-04-01
Contact: Liang Chen, Mang Feng E-mail:liangchen@wipm.ac.cn;mangfeng@wipm.ac.cn
Supported by:
Project supported by the Special Project for Research and Development in Key Areas of Guangdong Province, China (Grant No. 2020B0303300001), the National Natural Science Foundation of China (Grant Nos. U21A20434, 12074346, 12074390, 11835011, 11804375, and 11804308), the Fund from the Key Laboratory of Guangzhou for Quantum Precision Measurement (Grant No. 202201000010), the Science and Technology Projects in Guangzhou (Grant No. 202201011727), and the Nansha Senior Leading Talent Team Technology Project (Grant No. 2021CXTD02).

摘要/Abstract

摘要： Cold trapped ions can be excellent sensors for ultra-precision detection of physical quantities, which strongly depends on the measurement situation at hand. The stylus ion trap, formed by two concentric cylinders over a ground plane, holds the promise of relatively simple structure and larger solid angle for optical access and fluorescence collection in comparison with the conventional ion traps. Here we report our fabrication and characterization of the first stylus ion trap constructed in China, aiming for studying quantum optics and sensing weak electric fields in the future. We have observed the stable confinement of the ion in the trapping potential for more than two hours and measured the heating rate of the trap to be dε/dt=7.10±0.13 meV/s by the Doppler recooling method. Our work starts a way to building practical quantum sensors with high efficiency of optical collection and with ultimate goal for contributing to future quantum information technology.

关键词: stylus ion trap, electric-field noises, Doppler recooling method, heating rate

Abstract: Cold trapped ions can be excellent sensors for ultra-precision detection of physical quantities, which strongly depends on the measurement situation at hand. The stylus ion trap, formed by two concentric cylinders over a ground plane, holds the promise of relatively simple structure and larger solid angle for optical access and fluorescence collection in comparison with the conventional ion traps. Here we report our fabrication and characterization of the first stylus ion trap constructed in China, aiming for studying quantum optics and sensing weak electric fields in the future. We have observed the stable confinement of the ion in the trapping potential for more than two hours and measured the heating rate of the trap to be dε/dt=7.10±0.13 meV/s by the Doppler recooling method. Our work starts a way to building practical quantum sensors with high efficiency of optical collection and with ultimate goal for contributing to future quantum information technology.

Key words: stylus ion trap, electric-field noises, Doppler recooling method, heating rate

中图分类号: (Atom cooling methods)

37.10.De

07.07.Df (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing) 07.77.Ka (Charged-particle beam sources and detectors)

Tai-Hao Cui(崔太豪), Ya-Qi Wei(魏雅琪), Ji Li(李冀), Quan Yuan(袁泉), Shuang-Qing Dai(戴双晴), Pei-Dong Li(李沛东), Fei Zhou(周飞), Jian-Qi Zhang(张建奇), Zhu-Jun Zheng(郑驻军), Liang Chen(陈亮), and Mang Feng(冯芒). Building and characterizing a stylus ion-trap system[J]. 中国物理B, 2024, 33(4): 43701-043701.

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Building and characterizing a stylus ion-trap system

Building and characterizing a stylus ion-trap system

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