金属-介电界面中增强的自发参数下转换

2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) Pub Date : 2015-12-03 DOI:10.1109/METAMATERIALS.2015.7342484

A. Loot, I. Sildos, V. Hizhnyakov

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引用次数: 9

摘要

研究了斜向激光激励下金属-介质界面的自发参量下转换。在这种情况下，如果激发角与产生的等离子体的克雷茨曼构型相对应，就有可能高效率地产生表面等离子体激元对。如果使用具有远程表面等离子激元的金属-介电界面和/或适当纳米结构的金属薄膜，可以直接激发表面等离子激元，并与产生的表面等离子激元满足相匹配条件，则可以进一步提高效率。

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Enhanced spontaneous parametric down-conversion in a metal-dielectric interface

Spontaneous parametric down-conversion in a metal-dielectric interface in the case of oblique laser excitation is considered. In this case it is possible to generate pairs of surface plasmon polaritons with high efficiency, if the angle of excitation corresponds to the Kretschmann configuration for generated plasmons. The efficiency can be additionally increased/enhanced if to use metal-dielectric interfaces with long-range surface plasmon polaritons and/or a properly nanostructured metallic film, allowing one to directly excite surface plasmon polaritons and to fulfill their phase matching condition with generated surface plasmon polaritons.

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2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

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