High efficiency preparation of single trapped atoms using blue detuned light assisted collisions

TL;DR

This paper presents a method achieving 91% efficiency in trapping single 85Rb atoms using blue detuned light assisted collisions within 542 ms, improving atom trapping techniques.

Contribution

The study introduces a novel procedure utilizing blue detuned light assisted collisions for high-efficiency single atom trapping in optical microtraps.

Findings

Achieved 91% loading efficiency of single atoms

Loading process completed within 542 ms

Identified factors limiting efficiency

Abstract

We report on a procedure by which we obtain a 91% loading efficiency of single 85Rb atoms in an optical microtrap. This can be achieved within a total preparation time of 542 ms. We employ blue detuned light assisted collisions to realize a process in which only one of the collision partners is lost. We explain the mechanism for efficiently loading a single atom and discuss the factors that limit the final efficiency.