中国物理B ›› 2015, Vol. 24 ›› Issue (4): 43701-043701.doi: 10.1088/1674-1056/24/4/043701

• ATOMIC AND MOLECULAR PHYSICS • 上一篇    下一篇

Efficient loading of a single neutral atom into an optical microscopic tweezer

何军, 刘贝, 刁文婷, 王杰英, 靳刚, 王军民   

  1. State Key Laboratory of Quantum Optics and Quantum Optics Devices and Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
  • 收稿日期:2014-08-12 修回日期:2014-10-09 出版日期:2015-04-05 发布日期:2015-04-05
  • 基金资助:

    Project supported by the National Major Scientific Research Program of China (Grant No. 2012CB921601) and the National Natural Science Foundation of China (Grant Nos. 61205215, 11274213, and 61475091).

Efficient loading of a single neutral atom into an optical microscopic tweezer

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

  1. State Key Laboratory of Quantum Optics and Quantum Optics Devices and Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
  • Received:2014-08-12 Revised:2014-10-09 Online:2015-04-05 Published:2015-04-05
  • Contact: He Jun, Wang Jun-Min E-mail:hejun@sxu.edu.cn;wwjjmm@sxu.edu.cn
  • Supported by:

    Project supported by the National Major Scientific Research Program of China (Grant No. 2012CB921601) and the National Natural Science Foundation of China (Grant Nos. 61205215, 11274213, and 61475091).

摘要:

A single atom in a magneto-optical trap (MOT) with trap size (hundreds of micrometers) can be transferred into an optical microscopic tweezer with a probability of ~ 100%. The ability to transfer a single atom into two traps back and forth allows us to study the loading process. The loading probability is found to be insensitive to the geometric overlap of the MOT and the tweezer. It is therefore possible to perform simultaneously loading of a single atom into all sites of the tweezer array for many qubits. In particular, we present a simulation of the one-dimensional and two-dimensional arrays of an optical microscopic tweezer. We find the same qualitative behavior for all of the trap parameters.

关键词: single atom, magneto-optical trap, optical tweezer, loading process

Abstract:

A single atom in a magneto-optical trap (MOT) with trap size (hundreds of micrometers) can be transferred into an optical microscopic tweezer with a probability of ~ 100%. The ability to transfer a single atom into two traps back and forth allows us to study the loading process. The loading probability is found to be insensitive to the geometric overlap of the MOT and the tweezer. It is therefore possible to perform simultaneously loading of a single atom into all sites of the tweezer array for many qubits. In particular, we present a simulation of the one-dimensional and two-dimensional arrays of an optical microscopic tweezer. We find the same qualitative behavior for all of the trap parameters.

Key words: single atom, magneto-optical trap, optical tweezer, loading process

中图分类号:  (Atom cooling methods)

  • 37.10.De
37.10.Jk (Atoms in optical lattices) 25.20.Dc (Photon absorption and scattering)