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|Title:||Coupling of atomic quadrupole transitions with resonant surface plasmons||Authors:||Chan, Eng Aik
Zheludev, Nikolay I.
Syed Abdullah Aljunid
Optics & Lasers
|Issue Date:||2019||Source:||Chan, E. A., Syed Abdullah Aljunid., Adamo, G., Zheludev, N. I., Ducloy, M., & Wilkowski, D. (2019). Coupling of atomic quadrupole transitions with resonant surface plasmons. Physical Review A, 99(6), 063801-. doi:10.1103/PhysRevA.99.063801||Series/Report no.:||Physical Review A||Abstract:||We report on the coupling of an electric quadrupole transition in atomic vapor with plasmonic excitation in a nanostructured metallic metamaterial. The quadrupole transition at 685 nm in the gas of cesium atoms is optically pumped, while the induced ground-state population depletion is probed with light tuned on the strong electric dipole transition at 852 nm. We use selective reflection to resolve the Doppler-free hyperfine structure of cesium atoms. We observe a strong modification of the reflection spectra at the presence of metamaterial and discuss the role of the spatial variation of the surface plasmon polariton on the quadrupole coupling.||URI:||https://hdl.handle.net/10356/87833
|ISSN:||2469-9926||DOI:||10.1103/PhysRevA.99.063801||Rights:||© 2019 American Physical Society. All rights reserved. This paper was published in Physical Review A and is made available with permission of American Physical Society.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SPMS Journal Articles|
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