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Stable Turnkey Laser System for a Yb/Ba Trapped-Ion Quantum Computer

  • Tianyi Chen
  • , Junki Kim
  • , Mark Kuzyk
  • , Jacob Whitlow
  • , Samuel Phiri
  • , Brad Bondurant
  • , Leon Riesebos
  • , Kenneth R. Brown
  • , Jungsang Kim

Research output: Contribution to journalArticlepeer-review

Abstract

This work presents a stable and reliable turnkey continuous-wave laser system for a Yb/Ba multispecies trapped-ion quantum computer. The compact and rack-mountable optics system exhibits high robustness, operating over a year without realignment, regardless of temperature changes in the laboratory. The overall optical system is divided into a few isolated modules interconnected by optical fibers for easy maintenance. The light sources are frequency-stabilized by comparing their frequencies with two complementary references: 1) a commercial Fizeau wavelength meter and 2) a high-finesse optical cavity. This scheme enables automatic frequency stabilization for days with a sub-MHz precision.

Original languageEnglish
Article number5500308
JournalIEEE Transactions on Quantum Engineering
Volume3
DOIs
StatePublished - 2022
Externally publishedYes

Keywords

  • Laser stability
  • optical design
  • quantum computing
  • trapped ions

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