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Related Experiment Video

Updated: Jun 13, 2025

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
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Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

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AC Zeeman effect in microfabricated surface traps.

M Ivory1, C D Nordquist1, K Young1

  • 1Sandia National Laboratories, Albuquerque, New Mexico 87185, USA.

The Review of Scientific Instruments
|September 13, 2024
PubMed
Summary
This summary is machine-generated.

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Researchers reduced the AC Zeeman effect in trapped ion quantum processors and atomic clocks. Key trap design improvements enhance ion confinement, leading to more stable quantum computations and precise timekeeping.

Area of Science:

  • Quantum Information Science
  • Atomic Physics
  • Microfabrication

Background:

  • Trapped ions are crucial for quantum computing qubits and atomic clock frequency standards.
  • Hyperfine transitions offer magnetic field insensitivity, but are affected by the AC Zeeman effect from RF confinement fields.

Purpose of the Study:

  • To measure the AC Zeeman effect on the 171Yb+ ion's 2S1/2 hyperfine transition.
  • To identify microfabricated surface trap designs that minimize this frequency shift.

Main Methods:

  • Frequency shift measurements of the 171Yb+ hyperfine transition in various microfabricated surface traps.
  • Comparison of trap designs focusing on RF electrode geometry and grounding.

Main Results:

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Related Experiment Videos

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  • Two design modifications significantly reduce the AC Zeeman effect: an RF ground layer and symmetric RF electrodes.
  • These modifications improve AC magnetic field cancellation, decreasing frequency shifts and device variation.

    • Conclusions:

    • Optimized microfabricated trap designs mitigate the AC Zeeman effect in trapped ions.
    • These improvements enhance the homogeneity for quantum computing and precision for atomic clocks.