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Floquet description of optically pumped magnetometers

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Author(s):
Florez, Hans Marin ; Pyragius, Tadas
Total Authors: 2
Document type: Journal article
Source: PHYSICAL REVIEW A; v. 103, n. 3, p. 19-pg., 2021-03-22.
Abstract

We present a theoretical description of the Voigt and Faraday effect based optically pumped magnetometers using the Floquet expansion. Our analysis describes the spin-operator dynamics of the first- (F) over cap (t) and secondorder (F) over cap (2) (t) moments and takes into account different pumping profiles and decoherence effects. We find that the theoretical results are consistent with previous experimental demonstrations over a wide range of fields and pumping conditions. Finally, the theoretical analysis presented here is generalized and can be extended to different magnetometry schemes with arbitrary pumping profiles and multiple radio-frequency fields. (AU)

FAPESP's process: 18/03155-9 - Implementing four wave mixing technology for entanglement networks, magnetometry and to explore quantum thermodynamics
Grantee:Hans Marin Florez
Support Opportunities: Scholarships in Brazil - Post-Doctoral