Optical frequency signal detection through surface plasmon polaritons

被引:28
作者
Aihara, Takuma [1 ]
Nakagawa, Kyohei [1 ]
Fukuhara, Masashi [1 ]
Yu, Yen Ling [1 ]
Yamaguchi, Kenzo [2 ]
Fukuda, Mitsuo [1 ]
机构
[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Aichi 4418580, Japan
[2] Kagawa Univ, Fac Engn, Dept Adv Mat Sci, Kagawa 7610396, Japan
关键词
WAVE-GUIDES; WAVELENGTHS; PHOTONICS;
D O I
10.1063/1.3619849
中图分类号
O59 [应用物理学];
学科分类号
摘要
We demonstrated experimentally that an optical frequency signal can be detected through surface plasmon polaritons (SPPs) using an optical heterodyne technique. We fabricated an SPP detector consisting of a Au/Si Schottky diode with seven 10-mu m-long and 150-nm-wide parallel slits (a multi-slit grating). When two beams of light with slightly different wavelengths irradiated the multi-slit grating of the SPP detector, a beat signal, corresponding to the optical frequency signal, was clearly observed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3619849]
引用
收藏
页数:3
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