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Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

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Published on: August 17, 2017

Arbitrary waveform generator for quantum information processing with trapped ions.

R Bowler1, U Warring, J W Britton

  • 1National Institute of Standards and Technology, Boulder, Colorado 80305, USA. ryan.bowler@nist.gov

The Review of Scientific Instruments
|April 6, 2013
PubMed
Summary
This summary is machine-generated.

A new arbitrary waveform generator speeds up ion transport for quantum computing. This device enables faster, more precise control of ions in traps, advancing scalable quantum information processing.

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Area of Science:

  • Quantum Information Science
  • Atomic Physics
  • Electrical Engineering

Background:

  • Scalable quantum information processing relies on atomic ions in multi-electrode traps.
  • Ion transport and quantum logic require precise control of electric potentials and pulses.

Purpose of the Study:

  • To develop a fast multi-channel arbitrary waveform generator for ion trap experiments.
  • To enable diabatic control of ion motion and shape quantum logic pulses.

Main Methods:

  • A field-programmable gate array (FPGA) controlled arbitrary waveform generator (AWG).
  • 16-bit digital-to-analog converters (DACs) with 50 MHz update frequency and ±10 V output range.
  • Real-time signal conditioning with 40 ns latency for selecting voltage sets.

Main Results:

  • The AWG achieves update rates significantly faster than ion motional frequencies.
  • Demonstrated accelerated ion transport and precise shaping of laser and microwave pulses.
  • Enabled diabatic control of ion motion for quantum logic operations.

Conclusions:

  • The developed AWG is a crucial tool for advancing ion-based quantum information processing.
  • Fast and precise control of ions is achievable, paving the way for scalable quantum computers.
  • The device enhances speed and accuracy in ion transport and quantum gate operations.