Atomic Response in the Near-Field of Nanostructured Plasmonic Metamaterial

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• 作者：Syed Abdullah Aljunid ; Eng Aik Chan ; Giorgio Adamo ; Martial Ducloy ; David Wilkowski ; Nikolay I. Zheludev
• 刊名：Nano Letters
• 出版年：2016
• 出版时间：May 11, 2016
• 年：2016
• 卷：16
• 期：5
• 页码：3137-3141
• 全文大小：354K
• 年卷期：0
• ISSN：1530-6992

文摘

We report on reflection spectra of cesium atoms in close vicinity of a nanostructured metallic meta-surface. We show that the hyperfine sub-Doppler spectrum of the 6²S_1/2–6²P_3/2 resonance transition at 852 nm is strongly affected by the coupling to the plasmonic resonance of the nanostructure. Fine tuning of dispersion and positions of the atomic lines in the near-field of plasmonic metamaterials could have uses and implications for atom-based metrology, sensing, and the development of atom-on-a-chip devices.