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Single ion thermal wave packet analyzed via time-of-flight detection

Single ion thermal wave packet analyzed via time-of-flight detection

Authors :
Felix Stopp
Luis Ortiz-Gutiérrez
Henri Lehec
Ferdinand Schmidt-Kaler
Source :
New Journal of Physics, Vol 23, Iss 6, p 063002 (2021)
Publication Year :
2021
Publisher :
IOP Publishing, 2021.

Abstract

A single ^40 Ca ion is confined in the harmonic potential of a Paul trap and cooled to a temperature of a few mK, with a wave packet of sub- μ m spatial and sub-m s ^−1 velocity uncertainty. Deterministically extracted from the Paul trap, the single ion is propagating over a distance of 0.27 m and detected. By engineering the ion extraction process on the initial wave packet, theoretically modeling the ion trajectories, and studying experimentally the time-of-flight distribution, we directly infer the state of the previously trapped ion. This analysis allows for accurate remote sensing of the previous motional excitation in the trap potential, both coherently or incoherently. Our method paves a way to extract, manipulate and design quantum wave packets also outside of the Paul trap.

Details

Language :
English
ISSN :
13672630
Volume :
23
Issue :
6
Database :
Directory of Open Access Journals
Journal :
New Journal of Physics
Publication Type :
Academic Journal
Accession number :
edsdoj.9360cb2cd88b4e2190bf3f744cedac4b
Document Type :
article
Full Text :
https://doi.org/10.1088/1367-2630/abffc0