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

doi:10.1088/1674-1056/24/4/043701

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.

Keywords: single atom magneto-optical trap optical tweezer loading process

Received: 12 August 2014
Revised: 09 October 2014
Accepted manuscript online:

PACS:	37.10.De	(Atom cooling methods)
	37.10.Jk	(Atoms in optical lattices)
	25.20.Dc	(Photon absorption and scattering)

Fund:

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).

Corresponding Authors: He Jun, Wang Jun-Min
E-mail: hejun@sxu.edu.cn;wwjjmm@sxu.edu.cn

Cite this article:

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) Efficient loading of a single neutral atom into an optical microscopic tweezer 2015 Chin. Phys. B 24 043701

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

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