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Trapped Ion Quantum Computing Quantum Chemistry

Enhanced quantum state transfer via feedforward cancellation of optical phase noise

arXiv
Authors: Benjamin P. Maddox, Jonathan M. Mortlock, Tom R. Hepworth, Adarsh P. Raghuram, Philip D. Gregory, Alexander Guttridge, Simon L. Cornish

Year

2024

Paper ID

65475

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

Many experimental platforms for quantum science depend on state control via laser fields. Frequently, however, the control fidelity is limited by optical phase noise. This is exacerbated in stabilized laser systems where high-frequency phase noise is an unavoidable consequence of feedback. Here we implement an optical feedforward technique to suppress laser phase noise in the STIRAP state transfer of ultracold RbCs molecules, across 114 THz, from a weakly bound Feshbach state to the rovibrational ground state. By performing over 100 state transfers on single molecules, we measure a significantly enhanced transfer efficiency of 98.7(1)% limited only by available laser intensity.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • Many experimental platforms for quantum science depend on state control via laser fields.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2407.09119 [2] arXiv https://arxiv.org/abs/2407.09119 [3] Publisher https://arxiv.org/abs/2407.09119

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