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

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dc.contributor.author Kumar, Ravi
dc.contributor.author Gokhroo, Vandna
dc.contributor.author Tiwari, Vibhuti Bhushan
dc.contributor.author Nic Chormaic, Síle
dc.date.accessioned 2016-10-20T10:19:42Z
dc.date.available 2016-10-20T10:19:42Z
dc.date.issued 2016-09-29
dc.identifier.citation Kumar, 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:10.1088/2040-8978/18/11/115401 en
dc.identifier.volume 18 en
dc.identifier.issued 11 en
dc.identifier.startpage 1 en
dc.identifier.endpage 5 en
dc.identifier.issn 2040-8978
dc.identifier.uri http://hdl.handle.net/10468/3196
dc.identifier.doi 10.1088/2040-8978/18/11/115401
dc.description.abstract Optical 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher IOP Publishing en
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.uri https://creativecommons.org/licenses/by/3.0/ en
dc.subject Optical nanofibres en
dc.subject Hybrid quantum systems en
dc.subject Temperature en
dc.subject Laser-cooled rubidium en
dc.title Temperature measurement of cold atoms using transient absorption of a resonant probe through an optical nanofibre en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Síle Nic Chormaic, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: s.nicchormaic@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Okinawa Institute of Science and Technology Graduate University en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Optics en
dc.internal.IRISemailaddress s.nicchormaic@ucc.ie
dc.identifier.articleid 115401


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© 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. Except where otherwise noted, this item's license is described as © 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.
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