Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit

doi:10.1088/1674-1056/26/11/113702

中国物理B ›› 2017, Vol. 26 ›› Issue (11): 113702-113702.doi: 10.1088/1674-1056/26/11/113702

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit

Jun He(何军), Bei Liu(刘贝), Jie-Ying Wang(王杰英), Wen-Ting Diao(刁文婷), Gang Jin(靳刚), Jun-Min Wang(王军民)

1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China;
2. Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China;
3. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

收稿日期:2017-06-26 修回日期:2017-07-19 出版日期:2017-11-05 发布日期:2017-11-05
基金资助:
Project supported by the National Major Scientific Research Program of China (Grant No. 2012CB921601), the National Natural Science Foundation of China (Grant Nos. 61205215, 11274213, and 61475091), and the National Key Research and Development Program of China (Grant No. 2017YFA0304502).

Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit

Jun He(何军)^1,2,3, Bei Liu(刘贝)¹, Jie-Ying Wang(王杰英)¹, Wen-Ting Diao(刁文婷)¹, Gang Jin(靳刚)¹, Jun-Min Wang(王军民)^1,2,3

1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China;
2. Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China;
3. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

Received:2017-06-26 Revised:2017-07-19 Online:2017-11-05 Published:2017-11-05
Contact: Jun-Min Wang E-mail:wwjjmm@sxu.edu.cn
Supported by:
Project supported by the National Major Scientific Research Program of China (Grant No. 2012CB921601), the National Natural Science Foundation of China (Grant Nos. 61205215, 11274213, and 61475091), and the National Key Research and Development Program of China (Grant No. 2017YFA0304502).

摘要/Abstract

摘要： We report the realization of a deterministic single-atom preparation by the method of all-optical feedback. Using a fast-real-time feedback, the light-induced atom desorption effect and blue detuned light-induced atom collision process can increase a success probability of single-atom preparation up to more than 99%. We investigate the dynamics of loading single atom trapped in a trap with a size of hundreds of micrometers into a pair of microscopic tweezers. The detailed experimental results show that the feedback loading is spatially insensitive, which implies that it is possible to use the feedback protocol to simultaneously implement the loading of large number of qubits arrays.

关键词: single atom, microscopic optical dipole trap, atom heating

Abstract: We report the realization of a deterministic single-atom preparation by the method of all-optical feedback. Using a fast-real-time feedback, the light-induced atom desorption effect and blue detuned light-induced atom collision process can increase a success probability of single-atom preparation up to more than 99%. We investigate the dynamics of loading single atom trapped in a trap with a size of hundreds of micrometers into a pair of microscopic tweezers. The detailed experimental results show that the feedback loading is spatially insensitive, which implies that it is possible to use the feedback protocol to simultaneously implement the loading of large number of qubits arrays.

Key words: single atom, microscopic optical dipole trap, atom heating

中图分类号: (Atom, molecule, and ion cooling methods)

37.10.-x

87.85.ff (Feedback) 37.10.Gh (Atom traps and guides) 73.22.Dj (Single particle states)

何军, 刘贝, 王杰英, 刁文婷, 靳刚, 王军民. Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit[J]. 中国物理B, 2017, 26(11): 113702-113702.

Jun He(何军), Bei Liu(刘贝), Jie-Ying Wang(王杰英), Wen-Ting Diao(刁文婷), Gang Jin(靳刚), Jun-Min Wang(王军民). Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit[J]. Chin. Phys. B, 2017, 26(11): 113702-113702.

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Deterministic loading of an individual atom:Towards scalable implementation of multi-qubit

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