Enhanced quantum state transfer via feedforward cancellation of optical phase noise [dataset]

Maddox, Benjamin P (Durham University, UK); Mortlock, Jonathan M (Durham University, UK); Guttridge, Alexander (Durham University, UK); Raghuram, Adarsh P (Durham University, UK); Cornish, Simon L (Durham University, UK); Hepworth, Tom R (Durham University, UK); Gregory, Philip D (Durham University, UK)

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Enhanced quantum state transfer via feedforward cancellation of optical phase noise [dataset] Open Access

Many experimental platforms for quantum science depend on state control via laser fields. Fre- quently, 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 feed- back. 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.

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Resource type: Dataset
Contributors: Creator: Maddox, Benjamin P ¹
Data collector: Maddox, Benjamin P ¹
Data collector: Mortlock, Jonathan M ¹
Data collector: Hepworth, Tom R ¹
Data collector: Raghuram, Adarsh P ¹
Data collector: Gregory, Philip D ¹
Data collector: Guttridge, Alexander ¹
Data collector: Cornish, Simon L ¹

¹ Durham University, UK
Funder: Engineering and Physical Sciences Research Council
Durham University
The Royal Society
UK Research and Innovation
Research methods
Other description
Keyword: Ultracold molecules
Quantum state transfer
Optical Tweezers
STIRAP
Subject: Ultracold molecules
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Language
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Identifier: ark:/32150/r1v979v3117
doi:10.15128/r1v979v3117
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
Date Created

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Depositor: B.P. Maddox
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