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Observation of the 87 Rb 5S 1/2 to 4D 3/2 electric quadrupole transition at 516.6 nm mediated via an optical nanofibre

New journal of physics, 2020-06, Vol.22 (6), p.62001 [Peer Reviewed Journal]

Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1367-2630 ;EISSN: 1367-2630 ;DOI: 10.1088/1367-2630/ab8265

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  • Title:
    Observation of the 87 Rb 5S 1/2 to 4D 3/2 electric quadrupole transition at 516.6 nm mediated via an optical nanofibre
  • Author: Ray, Tridib ; Gupta, Ratnesh K ; Gokhroo, Vandna ; Everett, Jesse L ; Nieddu, Thomas ; Rajasree, Krishnapriya S ; Chormaic, Síle Nic
  • Subjects: Physics
  • Is Part Of: New journal of physics, 2020-06, Vol.22 (6), p.62001
  • Description: Abstract Light guided by an optical nanofibre has a very steep evanescent field gradient extending from the fibre surface. This gradient can be exploited to drive electric quadrupole transitions in nearby quantum emitters. In this paper, we report on the observation of the 5S 1/2 → 4D 3/2 electric quadrupole transition at 516.6 nm (in vacuum) in laser-cooled 87 Rb atoms using only a few μ W of laser power propagating through an optical nanofibre embedded in the atom cloud. This work extends the range of applications for optical nanofibres in atomic physics to include more fundamental tests such as high-precision measurements of parity non-conservation.
  • Publisher: Institute of Physics: Open Access Journals
  • Language: English
  • Identifier: ISSN: 1367-2630
    EISSN: 1367-2630
    DOI: 10.1088/1367-2630/ab8265
  • Source: Open Access: IOP Publishing Free Content
    Geneva Foundation Free Medical Journals at publisher websites
    Hyper Article en Ligne (HAL) (Open Access)
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals

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