Synchronous coherent population trapping and its magnetic spectral response in rubidium vapor

Autor:	Renu Tripathi, Raghwinder Singh Grewal, Mauricio Pulido, Gour S. Pati, Robin A. Depto
Rok vydání:	2021
Předmět:	Physics education.field_of_study Field (physics) Magnetometer Population Laser Spectral line Magnetic field law.invention Optical pumping law Atomic physics education Excitation
Zdroj:	Physical Review A. 104
ISSN:	2469-9934 2469-9926
DOI:	10.1103/physreva.104.033116
Popis:	This paper reports experimental investigations of the spectral response of synchronous coherent population trapping (CPT) for magnetometry applications. Synchronous CPT is demonstrated using resonant two-photon excitation with a modulated bichromatic laser field in the $^{87}\mathrm{Rb} {D}_{1}$ manifold. Spectra containing multiple magnetic resonances are produced due to two-photon excitations created by various frequency components of the modulated beam. Theoretical modeling based on the atomic density-matrix equations is used to simulate the spectral response of synchronous CPT. Our results show potential advantages of synchronous CPT over synchronous optical pumping for magnetic field measurement. Magnetic resonance signals produced by synchronous CPT can be used in eliminating the dead-zone problem and also in determining the magnetic field direction.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::5b78386c19733b9a7a6b4d1480e9f216 https://doi.org/10.1103/physreva.104.033116 Zobrazit plný text záznamu