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

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...

Full description

Saved in:
Bibliographic Details
Published inChinese physics B Vol. 26; no. 11; pp. 167 - 172
Main Author 何军;刘贝;王杰英;刁文婷;靳刚;王军民
Format Journal Article
LanguageEnglish
Published 01.11.2017
Subjects
光反馈
光诱导
加载
单原子
可扩展
成功概率
碰撞过程
量子比特
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/26/11/113702

Cover

More Information
Summary: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.
Bibliography:Jun He1,2,3, Bei Liu1, Jie-Ying Wang1, Wen-Ting Diao1, Gang Jin1, Jun-Min Wang1,2,3（ 1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China ;2Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China ; 3 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China）
single atom microscopic optical dipole trap atom heating
11-5639/O4
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.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/26/11/113702