期刊
NEW JOURNAL OF PHYSICS
卷 13, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/13/2/023034
关键词
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资金
- VELUX Foundation
- Danish Council for Independent Research [09-072949]
We demonstrate that optical transparency can be realized with plasmonic metamaterials using unit cells consisting of detuned electrical dipoles (DED), thereby mimicking the dressed-state picture of the electromagnetically induced transparency (EIT) in atomic physics. Theoretically analyzing the DED cells with two and three different silver ellipsoids, we show the possibility of reaching a >= 10 times decrease in group velocity and a propagation loss of <= 1 dB per cell within the optical wavelength range of 625-640 nm. Similar configurations are realized with lithographically fabricated gold nanorods placed on a glass substrate and subsequently covered with a similar to 15-mu m-thick polymer layer, featuring EIT-like transmission spectra with transparency windows at wavelengths of similar to 850 nm.
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