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Updated: Apr 27, 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

In-vacuum active electronics for microfabricated ion traps.

Nicholas D Guise¹, Spencer D Fallek¹, Harley Hayden¹

¹Georgia Tech Research Institute, Atlanta, Georgia 30332, USA.

The Review of Scientific Instruments

|July 3, 2014

Summary

This summary is machine-generated.

Researchers developed an in-vacuum digital-to-analog converter (DAC) system to control complex microfabricated ion traps. This innovation significantly reduces vacuum feedthroughs while maintaining high performance for quantum information processing.

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Area of Science:

Quantum information science
Atomic physics
Electrical engineering

Background:

Microfabricated ion traps are crucial for quantum information processing.
Increasing trap complexity demands a high number of digital-to-analog converter (DAC) channels.
Scaling external DAC connections into vacuum chambers presents significant challenges.

Purpose of the Study:

To develop and test an in-vacuum DAC system for microfabricated ion traps.
To reduce the number of vacuum feedthroughs required for trap control.
To assess the performance of the in-vacuum DAC system using trapped ions.

Main Methods:

Designed and implemented an in-vacuum DAC system.
Utilized only 9 vacuum feedthroughs to control a 78-electrode ion trap.
Characterized the system by trapping single and multiple (40)Ca(+) ions.

Main Results:

Successfully controlled a complex 78-electrode ion trap with minimal feedthroughs.
Achieved comparable axial mode stability to external DAC systems.
Demonstrated comparable ion heating rates and transport fidelities for trapped ions.

Conclusions:

The in-vacuum DAC system offers a scalable solution for controlling complex ion traps.
This technology simplifies vacuum integration and reduces hardware complexity.
The system performance is suitable for advanced quantum information applications.