Dr Benjamin Maddox benjamin.p.maddox@durham.ac.uk
Post Doctoral Research Associate
Enhanced Quantum State Transfer via Feedforward Cancellation of Optical Phase Noise.
Maddox, Benjamin P; Mortlock, Jonathan M; Hepworth, Tom R; Raghuram, Adarsh P; Gregory, Philip D; Guttridge, Alexander; Cornish, Simon L
Authors
Jonathan Mortlock jonathan.m.mortlock@durham.ac.uk
Postdoctoral Research Associate
Tom Hepworth tom.hepworth@durham.ac.uk
PGR Student Doctor of Philosophy
Adarsh Raghuram adarsh.p.raghuram@durham.ac.uk
PGR Student Doctor of Philosophy
Dr Phil Gregory p.d.gregory@durham.ac.uk
Assistant Professor - Royal Society University Research Fellow
Dr. Alexander Guttridge alexander.guttridge@durham.ac.uk
Research Associate
Professor Simon Cornish s.l.cornish@durham.ac.uk
Professor
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 stimulated Raman adiabatic passage 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.
Citation
Maddox, B. P., Mortlock, J. M., Hepworth, T. R., Raghuram, A. P., Gregory, P. D., Guttridge, A., & Cornish, S. L. (2024). Enhanced Quantum State Transfer via Feedforward Cancellation of Optical Phase Noise. Physical Review Letters, 133(25), Article 253202. https://doi.org/10.1103/PhysRevLett.133.253202
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 18, 2024 |
Online Publication Date | Dec 18, 2024 |
Publication Date | 2024-12 |
Deposit Date | Jan 21, 2025 |
Publicly Available Date | Jan 21, 2025 |
Journal | Physical review letters |
Print ISSN | 0031-9007 |
Electronic ISSN | 1079-7114 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 133 |
Issue | 25 |
Article Number | 253202 |
DOI | https://doi.org/10.1103/PhysRevLett.133.253202 |
Public URL | https://durham-repository.worktribe.com/output/3341879 |
Files
Published Journal Article
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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