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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47472

Title: Deep-subwavelength plasmonic-photonic hybrid band gap opening by acoustic Lamb waves
Authors: T.-R. Lin
J.-C. Hsu
J.-H. Shih
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2017-07
Issue Date: 2018-07-24T01:56:46Z
Publisher: Applied Physics Letters
Abstract: Abstract: In this letter, the efficient generation of tunable optical band gaps with the help of acousto-optic (AO) interactions in the deep subwavelength regime is proposed. The optical system consists of a thin dielectric slab and a metal surface separated by a nanoscale air gap. This structure allowed for the confinement of hybridized plasmonic-photonic gap modes, which are highly guided within the air gap. The enhanced AO interaction originated from the disturbance of the acoustic Lamb waves of the slab that can strongly boost the AO interface effect and scatter the optical fields. Therefore, wide optical band gaps and forbidden transmissions were observed in hybrid gap modes at telecommunication wavelengths.
Relation: 111(2)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47472
Appears in Collections:[光電科學研究所] 期刊論文

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