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Coherent Manipulation of the Internal State of Ultracold 87Rb133Cs Molecules with Multiple Microwave Fields [dataset] Open Access

We explore coherent multi-photon processes in RbCs molecules using 3-level lambda and ladder configurations of rotational and hyperfine states, and discuss their relevance to future applications in quantum computation and quantum simulation. In the lambda configuration, we demonstrate the driving of population between two hyperfine levels of the rotational ground state via a two-photon Raman transition. Such pairs of states may be used in the future as a quantum memory, and we measure a Ramsey coherence time for a superposition of these states of 58(9) ms. In the ladder configuration, we show that we can generate and coherently populate microwave dressed states via the observation of an Autler-Townes doublet. We demonstrate that we can control the strength of this dressing by varying the intensity of the microwave coupling field. Finally, we perform spectroscopy of the rotational states of RbCs up to N=6, highlighting the potential of ultracold molecules for quantum simulation in synthetic dimensions. By fitting the measured transition frequencies we determine a new value of the centrifugal distortion coefficient Dv=h×207.3(2) Hz.

Descriptions

Resource type

Dataset

Contributors

Creator: Blackmore, Jacob A ¹
Contact person: Blackmore, Jacob A ¹
Data collector: Blackmore, Jacob A ¹
Creator: Gregory, Philip D. ¹
Data collector: Gregory, Philip D. ¹
Bromley, Sarah L. ¹
Contact person: Cornish, Simon L. ¹

¹ Durham University, United Kingdom

Funder

Engineering and Physical Sciences Research Council

Research methods

Microwave coherent control
Optical Trapping
Magneto-association
STIRAP

Other description

Keyword

Ultracold Molecules
Hyperfine Structure
Coherent Control
Microwaves
Molecular Structure
Physics
Atomic Physics
Molecular Physics
Rabi Oscillations
Raman Transition
Ramsey interferometry
Autler-Townes effect

Subject

Location

Language

Cited in

arxiv:2007.01762
doi:10.1039/D0CP04651E

Identifier

ark:/32150/r2xg94hp56r
doi:10.15128/r2xg94hp56r

Rights

Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA)

Creative Commons Attribution 4.0 International (CC BY)

Publisher

Durham University

Date Created

File Details

Depositor

J.A. Blackmore

Date Uploaded

28 September 2020, 10:09:18

Date Modified

8 October 2020, 12:10:54

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Audits have not yet been run on this file.

Characterization

File format: zip (ZIP Format)

Mime type: application/zip

File size: 4005546

Last modified: 2020:09:28 11:30:31+01:00

Filename: Data and Analysis.zip

Original checksum: 83a5b58c0c08009e226b4dc0fed1e9cf