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An optically heated atomic source for compact ion trap vacuum systems.

S Gao1, W J Hughes1, D M Lucas1

  • 1Clarendon Laboratory, Department of Physics, University of Oxford, Parks Rd., Oxford OX1 3PU, United Kingdom.

The Review of Scientific Instruments
|April 6, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces an optically heated atomic oven for efficient ion trap loading. It achieves rapid, high-density atom delivery with low power and a compact design, ideal for quantum technologies.

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Area of Science:

  • Atomic, Molecular, and Optical Physics
  • Quantum Information Science
  • Experimental Physics

Background:

  • Ion traps are crucial for quantum computing and precision measurements.
  • Efficiently loading ion traps requires a dense, controllable atomic source.
  • Traditional atomic ovens often face limitations in thermal isolation and power efficiency.

Purpose of the Study:

  • To design and demonstrate a novel atomic oven for ion trap loading.
  • To utilize optical heating for improved thermal isolation and efficiency.
  • To achieve rapid and high-density atom delivery for ion trapping applications.

Main Methods:

  • An atomic oven design using optical heating via a continuous-wave multimode diode laser.
  • Measurement of atom flux and characterization of oven performance.
  • Calculation of required laser power for a target number density.

Main Results:

  • Achieved a target number density of 100 cm-3 with 175(10) mW of laser power.
  • Demonstrated a rapid turn-on time of 15 seconds.
  • Indicated potential for a 1000x smaller oven volume for decades of operation.

Conclusions:

  • The optically heated atomic oven is a highly efficient and compact solution for ion trap loading.
  • This design offers superior thermal isolation compared to traditional Joule-heated ovens.
  • The technology is suitable for rapid ion loading in quantum technologies and other applications.