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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7105
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dc.contributor.authorSwar, Maheswar-
dc.contributor.authorRoy, Dibyendu-
dc.contributor.authorD, Dhanalakshmi-
dc.contributor.authorChaudhuri, Saptarishi-
dc.contributor.authorRoy, Sanjukta-
dc.contributor.authorRamachandran, Hema-
dc.date.accessioned2018-12-25T15:52:15Z-
dc.date.available2018-12-25T15:52:15Z-
dc.date.issued2018-11-26-
dc.identifier.citationOptics Express, 2018, Vol. 26, p 32168-32183en_US
dc.identifier.issn1094-4087 (online)-
dc.identifier.urihttp://hdl.handle.net/2289/7105-
dc.descriptionOpen Accessen_US
dc.description.abstractWe explore the applications of spin noise spectroscopy (SNS) for detection of the spin properties of atomic ensembles in and out of equilibrium. In SNS, a linearly polarized far-detuned probe beam on passing through an ensemble of atomic spins acquires the information of the spin correlations of the system which is extracted using its time-resolved Faraday-rotation noise. We measure various atomic, magnetic and sub-atomic properties as well as perform precision magnetometry using SNS in rubidium atomic vapor in thermal equilibrium. Thereafter, we manipulate the relative spin populations between different ground state hyperfine levels of rubidium by controlled optical pumping which drives the system out of equilibrium. We then apply SNS to probe such spin imbalance non-perturbatively. We further use this driven atomic vapor to demonstrate that SNS can have better resolution than typical absorption spectroscopy in detecting spectral lines in the presence of various spectral broadening mechanisms.en_US
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.relation.urihttps://arxiv.org/abs/1809.02321en_US
dc.relation.urihttps://doi.org/10.1364/OE.26.032168en_US
dc.rights2018 Optical Society of Americaen_US
dc.titleMeasurements of spin properties of atomic systems in and out of equilibrium via noise spectroscopyen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (LAMP)

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