NDLI: Narrowband Light Total Antireflection and Absorption in Metal Film–Array Structures by Plasmonic Near-Field Coupling

Content Provider	Springer Nature Link
Author	Liu, Gui qiang Liu, Zheng qi Huang, Kuan Chen, Yuan hao Cai, Zheng jie Zhang, Xiang nan Hu, Ying
Copyright Year	2013
Abstract	We study the cooperative effects between plasmon gap modes and optical cavity modes of a novel triple-layer structure consisting of double continuous gold films separated by a gold nanosphere array. Narrowband near-perfect antireflection of optical field is achieved for the first time due to the strong near-field light–matter interaction within the deep sub-wavelength gaps between adjacent nanospheres combined with the spatial field confinement effects of the optical cavity built by the double gold films. The coexistence cooperation of near-field dipole plasmon resonances and spatial optical field confinement presents more efficient light modification than that of the individual subsystem and may open a new approach to manage light flow. By varying the period of nanosphere array, the diameter of nanospheres, and the distance between the array and the film, optical behaviors of the proposed structure can be tuned in a wide range. High environmental sensitivity and large figure of merit factor are obtained using this structure as the detecting substrate. Furthermore, ultra-compact structure and high conduction suggest the proposed structure being a good candidate for potential applications in highly integrated optoelectronic devices, such as plasmonic filters and sensors.
Starting Page	17
Ending Page	25
Page Count	9
File Format	PDF
ISSN	15571955
Journal	Plasmonics
Volume Number	9
Issue Number	1
e-ISSN	15571963
Language	English
Publisher	Springer US
Publisher Date	2013-07-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Surface plasmons Near-field light–matter interaction Near-perfect antireflection Plasmonic arrays Dipole plasmon resonances Biotechnology Nanotechnology Biophysics and Biological Physics Biochemistry
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology

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