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Temperature and gain tuning of plasmonic coherent perfect absorbers

Title
Temperature and gain tuning of plasmonic coherent perfect absorbers
Author
송석호
Keywords
ABSORPTION; GRAPHENE; LIGHT; SYMMETRY; REGIME
Issue Date
2015-07
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v. 23, NO 15, Page. 19837-19845
Abstract
We experimentally demonstrate temperature-tuned and gain-assisted surface-plasmonic coherent perfect absorbers. In these devices, coherent perfect absorption (CPA) is supported by balancing the absorber's radiative and non-radiative decay rates under thermal tuning of free-electron collision frequency in the Ag layer and optical tuning of the amplification rate in the adjacent dielectric film with optical gain, respectively. The results show that these methods are experimentally feasible and applicable to various CPA configurations. (C) 2015 Optical Society of America
URI
https://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-15-19837http://hdl.handle.net/20.500.11754/26037
ISSN
1094-4087
DOI
10.1364/OE.23.019837
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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