期刊
NATURE PHOTONICS
卷 3, 期 3, 页码 152-156出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHOTON.2009.22
关键词
-
资金
- Korea Science and Engineering Foundation (KOSEF)
- Korea government (MEST)
- Korea Research Foundation (KRF)
- KICOS [K20815000003]
- Seoul R BD Program
The unique optical properties of metals are at the core of many areas of research and applications, including plasmonics(1-4), metamaterials(5,6), superlensing and subdiffraction focusing(7-10), optical antennas(11-14) and surface enhanced Raman scattering(15). One important length scale inherent in metamaterials and plasmonics research activities in the microwave(5,16), terahertz(17-19), infrared(20,21), visible(22) and ultraviolet ranges(7) is the skin depth of metal, which remains at the submicrometre level throughout the broad spectral range. One prominent question is whether terahertz electromagnetic waves can be controlled on the nanoscale to achieve new functionalities in the sub-skin-depth lregime. Here, we show that a lambda/30,000 slit on metal film acts as a nanogap-capacitor charged by light-induced currents, enhancing the electric field by orders of magnitudes.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据