期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 42, 期 5, 页码 1751-1754出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2010.01.036
关键词
Surface plasmon; Nanowire; Orbital angular momentum
资金
- National Fundamental Research Program [2006CB921900, 2005CB623601]
- National Natural Science Foundation of China [10604052, 10904137, 50732006, 20621061, 20671085]
- Chinese Academy of Sciences
- CAS-MPG
- Anhui Provincial Natural Science Foundation [090412053]
- Science and Technological Fund of Anhui Province for Outstanding Youth [2009SQRZ001ZD]
Excitation of surface plasmons in a single silver nanowire using higher-order-mode light shows that nanowire waveguide has no request on the spatial mode of the input light, which is determined by its orbital angular momentums (OAM) in the experiment. The excitation efficiency can be controlled by adjusting the light polarization. Experimental result also indicates that the propagating modes of surface plasmons in nanowire are not the OAM eignenstates. (C) 2010 Elsevier B.V. All rights reserved.
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