All-Optical Modulation with a Surface Plasmon Mach-Zehnder Interferometer

被引:1
|
作者
Wu Xiao-Fei [1 ]
Zhang Jia-Sen
Li Zhi
Liu Ying-Liang
Gong Qi-Huang
机构
[1] Peking Univ, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
基金
中国国家自然科学基金;
关键词
TRANSMISSION; CRYSTAL;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We use two parallel nano-slits in a silver film to form a surface plasmon Mach-Zehnder interferometer (MZI), based on the interference of two surface plasmon waves propagating along the two surfaces of the silver film. Coating the silver film with a photoinduced birefringence polymer film, we achieve optical modulation of the MZI output by changing the refractive index of the polymer film with a pump beam. An on/off ratio of 2.7 is obtained for a probe wavelength of 865 nm.
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页数:3
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