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Related Experiment Video

Updated: Mar 19, 2026

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

High-precision force sensing using a single trapped ion.

Peter A Ivanov¹, Nikolay V Vitanov¹, Kilian Singer²

¹Department of Physics, St. Kliment Ohridski University of Sofia, James Bourchier 5 blvd, 1164 Sofia, Bulgaria.

Scientific Reports

|June 17, 2016

Summary

This summary is machine-generated.

We developed novel quantum sensing techniques using single trapped ions to measure extremely weak forces. These methods achieve high sensitivity, enabling advancements in force detection and voltage measurement applications.

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Area of Science:

Quantum physics
Quantum sensing
Atomic physics

Background:

Measuring extremely weak forces is crucial for various scientific and technological applications.
Trapped ions offer a promising platform for high-precision measurements due to their isolated quantum states.

Purpose of the Study:

To introduce novel quantum sensing schemes for measuring very weak forces using a single trapped ion.
To enhance the robustness of force sensing protocols against environmental noise.

Main Methods:

Utilizing spin-motional coupling induced by laser-ion interaction to transfer force information to the ion's spin.
Employing Ramsey-type oscillations for force estimation.
Investigating three quantum probes: Jaynes-Cummings, quantum Rabi (1D), and Jahn-Teller (2D) models.
Implementing dynamical decoupling schemes for noise robustness.

Main Results:

Achieved force sensitivity beyond the xennonewton range (10^-27 N).
Demonstrated robustness against spin dephasing from thermal and magnetic field fluctuations.
The quantum-Rabi probe exhibits natural robustness to thermal dephasing.
The Jahn-Teller protocol can function as a two-channel vector spectrum analyzer for ultra-low voltage measurements.

Conclusions:

The proposed quantum sensing schemes offer a powerful new method for ultra-precise force measurement.
These techniques pave the way for advancements in sensitive detectors and measurement devices.
The Jahn-Teller protocol's capability extends to vector spectrum analysis for low voltages.