Autler-Townes splitting via frequency up-conversion at ultralow-power levels in cold 87 Rb atoms using an optical nanofiber

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dc.contributor.author Kumar, Ravi
dc.contributor.author Gokhroo, Vandna
dc.contributor.author Deasy, Kieran
dc.contributor.author Nic Chormaic, Síle
dc.date.accessioned 2017-08-22T08:56:56Z
dc.date.available 2017-08-22T08:56:56Z
dc.date.issued 2015
dc.identifier.citation Kumar, R., Gokhroo, V., Deasy, K. and Chormaic, S. N. (2015) ‘Autler-Townes splitting via frequency up-conversion at ultralow-power levels in cold 87Rb atoms using an optical nanofiber', Physical Review A, 91(5), 053842 (5pp). doi: 10.1103/PhysRevA.91.053842 en
dc.identifier.volume 91
dc.identifier.issued 5
dc.identifier.issn 1050-2947
dc.identifier.issn 1094-1622
dc.identifier.uri http://hdl.handle.net/10468/4476
dc.identifier.doi 10.1103/PhysRevA.91.053842
dc.description.abstract The tight confinement of the evanescent light field around the waist of an optical nanofiber makes it a suitable tool for studying nonlinear optics in atomic media. Here, we use an optical nanofiber embedded in a cloud of laser-cooled Rb-87 for near-infrared frequency up-conversion via a resonant two-photon process. Sub-nW powers of the two-photon radiation, at 780 and 776 nm, copropagate through the optical nanofiber and the generation of 420 nm photons is observed. A measurement of the Autler-Townes splitting provides a direct measurement of the Rabi frequency of the 780 nm transition. Through this method, dephasings of the system can be studied. In this work, the optical nanofiber is used as an excitation and detection tool simultaneously, and it highlights some of the advantages of using fully fibered systems for nonlinear optics with atoms. en
dc.description.sponsorship Japan Society for the Promotion of Science (26400422) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society en
dc.relation.uri https://journals.aps.org/pra/abstract/10.1103/PhysRevA.91.053842
dc.rights © 2015, American Physical Society en
dc.subject 2-photon absorption en
dc.subject RB vapor en
dc.subject Transition en
dc.subject Coherent en
dc.subject Rubidium en
dc.subject Laser en
dc.title Autler-Townes splitting via frequency up-conversion at ultralow-power levels in cold 87 Rb atoms using an optical nanofiber en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Ravi Kumar, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.internal.wokid WOS:000354925200008
dc.contributor.funder Okinawa Institute of Science and Technology Graduate University
dc.contributor.funder Japan Society for the Promotion of Science
dc.description.status Peer reviewed en
dc.identifier.journaltitle Physical Review A en
dc.internal.IRISemailaddress sile.nicchormaic@oist.jp en
dc.identifier.articleid 53842


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