Data supporting "Fast, low-loss, all-optical phase modulation in warm rubidium vapour"

This dataset includes data that describes phase modulation of light mediated by an all-optical, two-photon transition in warm rubidium vapour. The presence of a bright control field, detuned from an atomic resonance, induces a change in the atomic susceptibility. A weak signal field counter-propagates with the control field, and experiences phase modulation, which is dependent on the strength intensity of the control field. These data are collected from experiments in both a continuous wave and pulsed field configuration. We also include numerical simulations of the continuous wave experiments.

Keywords:

Optics photonics and lasers: quantum optics and information

Subjects:

Atomic and molecular physics

Atoms and Ions

Cite this dataset as:
Davis, W., Burdekin, P., Wasawo, T., Thomas, S., Mosley, P., Nunn, J., McGarry, C., 2024. Data supporting "Fast, low-loss, all-optical phase modulation in warm rubidium vapour". Bath: University of Bath Research Data Archive. Available from: https://doi.org/10.15125/BATH-01472.

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Data

Phase_modulation_Rb_data.zip
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Creative Commons: Attribution 4.0

Data supporting publication "Fast, low-loss, all-optical phase modulation in warm rubidium vapour" by Davis et al

Creators

Will Davis
University of Bath

Paul Burdekin
Imperial College London

Tabijah Wasawo
University of Bath

0000-0003-3593-6776

Sarah Thomas
Imperial College London

0000-0002-8377-4428

Peter Mosley
University of Bath

0000-0001-5523-0311

Josh Nunn
University of Bath

0000-0003-0517-0829

Cameron McGarry
University of Bath

0000-0002-3807-5476

Contributors

University of Bath
Rights Holder

Documentation

Data collection method:

This dataset consists of transmission measurements though a rubidium vapour cell and simulations thereof. A weak signal field counter-propagates through the cell with a strong control field, each detuned from transitions in the Rb atom. We include experimental and simulated transmission spectra for the continuous wave signal field with the control field modulated by an optical chopper. Transmitted signal light is analyzed by a time-binned interferometer, and phase shift is extracted. Similarly, experimental results for a pulsed signal field are observed, and analyzed by the same means.

Technical details and requirements:

The continuous wave laser used was a Moglabs Cat Eye diode laser, operating at 780 nm. The pulsed signal laser was an Eblana EP1560-0-DM-B05-FM, and the control laser was a ID Photonics CoBrite DX1. Both of these lasers were amplified by an erbium-doped fibre amplifier, before frequency doubling to 780 nm and 775 nm respectively. The rubidium cell used was enriched with the 87-isotope, and was purchased from Precision Glassblowing. It has anti-reflection coated, angled windows. The simulations were undertaken using Python code on the Imperial College London high performance computing system.