Maltese cross coupling to individual cold atoms in free space

Year: 2019

Authors: Bruno N., Bianchet L.C., Prakash V., Li N., Alves N., Mitchell M.W.

Autors Affiliation: Barcelona Inst Sci & Technol, ICFO Inst Ciencies Foton, Barcelona 08860, Spain; Zhejiang Univ, Coll Opt Sci & Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China; ICREA, Barcelona 08010, Spain.

Abstract: We report on the simultaneous observation from four directions of the fluorescence of single Rb-87 atoms trapped at the common focus of four high numerical aperture (NA = 0.5) aspheric lenses. We use an interferometrically-guided pick-and-place technique to precisely and stably position the lenses along the four cardinal directions with their foci at a single central point. The geometry gives right angle access to a single quantum emitter, and will enable new trapping, excitation, and collection methods. The fluorescence signals indicate both sub-Poissonian atom number statistics and photon anti-bunching, showing suitability for cold atom quantum optics. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Journal/Review: OPTICS EXPRESS

Volume: 27 (21)      Pages from: 31042  to: 31052

More Information: European Research Council (713682, 280169); European Commission (641122, 800901, 820393); European Metrology Programme for Innovation and Research (17FUN03); Ministerio de Economia y Competitividad (FIS2014-62181-EXP, FIS2015-68039-P, SEV-2015-0522, PCI2018-092973); Agencia de Gestio d’Ajuts Universitaris i de Recerca (2017-SGR-1354); Fundacion Cellex; Fundacion MIR-PUIG; Generalitat de Catalunya; European Commission (820405).
KeyWords: Rydberg Blockade
DOI: 10.1364/OE.27.031042

ImpactFactor: 3.669
Citations: 11
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