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Updated: Apr 15, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Automation in quantum logic experiments with cold molecular ions.

Richard Karl¹, Meissa Diouf¹, Aleksandr Shlykov¹

¹Department of Chemistry, University of Basel, Klingelbergstrasse 80, Basel 4056, Switzerland.

The Review of Scientific Instruments

|April 14, 2026

Summary

This summary is machine-generated.

Automating cold molecular ion experiments with a new control system significantly boosts efficiency. This system enhances experimental throughput and molecule loading, enabling robust, unsupervised operation for quantum logic studies.

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Area of Science:

Atomic, Molecular, and Optical (AMO) Physics
Quantum Information Science
Experimental Physics

Background:

Cold molecular ion experiments are complex, requiring precise control and frequent manual intervention.
Maintaining high experimental duty cycles and robust conditions necessitates automation.

Purpose of the Study:

To develop and present a fully automated control system for preparing trapped state-selected molecular ions.
To enable quantum logic-based experiments with enhanced efficiency and reliability.

Main Methods:

Utilizing adaptive feedback routines with real-time image analysis for ion identification.
Employing trapping potential manipulation to create specific ion configurations (e.g., Ca+-N2+).
Implementing nanosecond-level laser pulse synchronization via the Sinara/ARTIQ framework.

Main Results:

Achieved robust, unsupervised operation over extended periods.
Increased experimentation cycles by approximately tenfold compared to manual operation.
Improved loaded molecule numbers by approximately eightfold in typical scenarios.

Conclusions:

The developed automated system significantly enhances the efficiency and robustness of cold molecular ion experiments.
The modular, distributed design offers a scalable blueprint for future molecular ion research.
Enables advanced quantum logic-based spectroscopic measurements with high precision.