Temperature measurement of cold atoms using transient absorption of a resonant probe through an optical nanofibre

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dc.contributor.authorKumar, Ravi
dc.contributor.authorGokhroo, Vandna
dc.contributor.authorTiwari, Vibhuti Bhushan
dc.contributor.authorNic Chormaic, Síle
dc.contributor.funderOkinawa Institute of Science and Technology Graduate Universityen
dc.date.accessioned2016-10-20T10:19:42Z
dc.date.available2016-10-20T10:19:42Z
dc.date.issued2016-09-29
dc.description.abstractOptical nanofibres are ultrathin optical fibres with a waist diameter typically less than the wavelength of light being guided through them. Cold atoms can couple to the evanescent field of the nanofibre-guided modes and such systems are emerging as promising technologies for the development of atom-photon hybrid quantum devices. Atoms within the evanescent field region of an optical nanofibre can be probed by sending near or on-resonant light through the fibre; however, the probe light can detrimentally affect the properties of the atoms. In this paper, we report on the modification of the local temperature of laser-cooled 87Rb atoms in a magneto-optical trap centred around an optical nanofibre when near-resonant probe light propagates through it. A transient absorption technique has been used to measure the temperature of the affected atoms and temperature variations from 160 μk to 850 μk, for a probe power ranging from 0 to 50 nW, have been observed. This effect could have implications in relation to using optical nanofibres for probing and manipulating cold or ultracold atoms.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid115401
dc.identifier.citationKumar, R., Gokhroo, V., Tiwari, V.B. and Nic Chormaic, S. (2016) 'Temperature measurement of cold atoms using transient absorption of a resonant probe through an optical nanofibre', Journal of Optics, 18(11), 115401 (5 pp). doi:10.1088/2040-8978/18/11/115401en
dc.identifier.doi10.1088/2040-8978/18/11/115401
dc.identifier.endpage5en
dc.identifier.issn2040-8978
dc.identifier.issued11en
dc.identifier.journaltitleJournal of Opticsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/3196
dc.identifier.volume18en
dc.language.isoenen
dc.publisherIOP Publishingen
dc.rights© 2016. IOP Publishing Ltd. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the authors and the title of the work, journal citation and DOI.en
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en
dc.subjectOptical nanofibresen
dc.subjectHybrid quantum systemsen
dc.subjectTemperatureen
dc.subjectLaser-cooled rubidiumen
dc.titleTemperature measurement of cold atoms using transient absorption of a resonant probe through an optical nanofibreen
dc.typeArticle (peer-reviewed)en
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