Linear ion trap imperfection and the compensation of excess micromotion
- ISSN号:1674-1056
- 期刊名称:Chinese Physics B
- 时间:0
- 页码:063201-
- 分类:O463.2[机械工程—光学工程;理学—电子物理学;理学—物理] TH117.1[机械工程—机械设计及理论]
- 作者机构:[1]State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics andMathematics, Chinese Academy of Sciences, and Wuhan National Laboratory for Optoelectronics, Wuhan 430071, China, [2]Graduate School of the Chinese Academy of Sciences, Beijing 100049, China, [3]State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
- 相关基金:Project supported by the National Natural Science Foundation of China (Grants Nos. 10974225 and 11104325), the NCETPC (Grant No. NCET-10-0850), the Fundamental Research Funds for Central Universities of China, and the National Fundamental Research Program of China (Grant No. 2012CB922102).
- 相关项目:非超冷囚禁离子的量子动力学与量子逻辑门的实验研究
关键词:
离子阱, 微动, 补偿, 缺陷, 线性, 多普勒冷却, 振动状态, 量子计算, trapped ions, micromotion, compensation
中文摘要:
Quantum computing requires ultracold ions in a ground vibrational state,which is achieved by sideband cooling.We report our recent efforts towards the Lamb-Dicke regime which is a prerequisite of sideband cooling.We first analyse the possible imperfection in our linear ion trap setup and then demonstrate how to suppress the imperfection by compensating the excess micromotion of the ions.The ions,after the micromotion compensation,are estimated to be very close to the Doppler-cooling limit.
英文摘要:
Quantum computing requires ultracold ions in a ground vibrational state, which is achieved by sideband cooling. We report our recent efforts towards the Lamb Dicke regime which is a prerequisite of sideband cooling. We first analyse the possible imperfection in our linear ion trap setup and then demonstrate how to suppress the imperfection by compensating the excess micromotion of the ions. The ions, after the micromotion compensation, are estimated to be very close to the Doppler-cooling limit.