期刊
NANO LETTERS
卷 10, 期 11, 页码 4566-4570出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl102568m
关键词
Quantum optics; surface plasmons; nanodiamond; near-field optics; leakage radiation microscopy
类别
资金
- Agence Nationale de la Recherche, France
We demonstrate deterministic launching of propagative quantum surface-plasmon polaritons at freely chosen positions on gold plasmonic receptacles. This is achieved by using as a plasmon launcher a near-held scanning optical source made of a diamond nanocrystal with two nitrogen-vacancy color-center occupancy. Our demonstration relies on leakage-radiation microscopy of a thin homogeneous gold film and on near-field optical microscopy of a nanostructured thick gold film. Our work paves the way to future fundamental studies and applications in quantum plasmonics that require an accurate positioning of single-plasmon sources and may open a new branch in plasmonics and nanophotonics, namely scanning quantum plasmonics.
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