期刊
APPLIED PHYSICS LETTERS
卷 105, 期 11, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4896294
关键词
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资金
- National Key Basic Research Program [2013CB328700]
- National Natural Science Foundation of China [91121018, 11374025, 91221304, 11121091]
- NFFTBS [J1030310, J1103205]
We propose tailoring of the double Fano profiles via plasmon-assisted quantum interference in a hybrid exciton-plasmon system. Tailoring is performed by the interference between two exciton channels interacting with a common localized surface plasmon. Using an applied field of low intensity, the absorption spectrum of the hybrid system reveals a double Fano lineshape with four peaks. For relatively large field intensity, a broad flat window in the absorption spectrum appears which results from the destructive interference between excitons. Because of strong constructive interference, this window vanishes as intensity is further increased. We have designed a nanometer bandpass optical filter for visible light based on tailoring of the optical spectrum. This study provides a platform for quantum interference that may have potential applications in ultracompact tunable quantum devices. (C) 2014 AIP Publishing LLC.
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