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4 October 2023 An atomic compass based on vectorial light-matter interaction
Sonja Franke-Arnold, Jinwen Wang, Sphinx Svensson, Thomas Clark, Niclas Westerberg, Stephen M. Barnett
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Proceedings Volume PC12746, SPIE-CLP Conference on Advanced Photonics 2023; PC127460M (2023) https://doi.org/10.1117/12.2688211
Event: SPIE-CLP Conference on Advanced Photonics, 2023, San Diego, California, United States
Abstract
The interaction of complex vector light with atoms is an emerging research area, combining state-of-the-art technologies in controlling the amplitude, phase and polarization profile of complex vector light with the mature research field of atom cooling and trapping. Light-atom interaction is, by its very nature, a vectorial process, that depends explicitly on the alignment between an external magnetic field and the optical and atomic polarizations. With a suitable atomic-state interferometer we can imprint spatially varying polarization directions of a vector beam onto spatially varying atomic spin polarizations within a cold Rubidium gas. This allows us to shape the transparency of atomic vapours, to determine magnetic field directions from a single absorption image, and most recently to map the degree of spatial correlations in a vector beam to the visibility of interference fringes in its absorption profile.
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Sonja Franke-Arnold, Jinwen Wang, Sphinx Svensson, Thomas Clark, Niclas Westerberg, and Stephen M. Barnett "An atomic compass based on vectorial light-matter interaction", Proc. SPIE PC12746, SPIE-CLP Conference on Advanced Photonics 2023, PC127460M (4 October 2023); https://doi.org/10.1117/12.2688211
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KEYWORDS
Chemical species
Polarization
Light-matter interactions
Magnetism
Light absorption
Quantum correlations
Structured light
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