期刊
ACS NANO
卷 5, 期 6, 页码 4359-4364出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn200516r
关键词
surface plasmon polaritons; transformation optics; metamaterial; nanostructures; wave adapter
类别
资金
- Hans Christian Orsted postdoctoral fellowship
- Danish Research Council for Technology and Production Sciences [274-07-0080, 274-07-0379]
On the basis of transformation optics, we propose the design of a surface plasmon wave adapter which confines surface plasmon waves on non-uniform metal surfaces and enables adiabatic mode transformation of surface plasmon polaritons with very short tapers. This adapter can be simply achieved with homogeneous anisotropic naturally occurring materials or subwavelength grating-structured dielectric materials. Full wave simulations based on a finite-element method have been performed to validate our proposal.
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