Nano-Ag:polymeric composite material for ultrafast photonic crystal all-optical switching

被引：51

作者：

Hu, Xiaoyong

Jiang, Ping

Xin, Cheng

Yang, Hong

Gong, Qihuang ^{[1
]}

机构：

[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 03期

基金：

中国国家自然科学基金;

关键词：

conducting polymers; doping profiles; filled polymers; high-speed optical techniques; nanocomposites; nanoparticles; nonlinear optical susceptibility; organic semiconductors; photonic crystals; semiconductor doping; silver; NONLINEAR SUSCEPTIBILITY; POLYMER; NANOPARTICLES; FLUORESCENCE; PICOSECOND; AU; AG;

D O I：

10.1063/1.3073712

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report a nanocomposite material possessing large nonlinear optical coefficients and fast response simultaneously, which is made of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] doped with Ag nanoparticles. Under resonant excitation of the polymer matrix and Ag nanoparticles, the value of the nonlinear susceptibility reaches the order of 10(-6) esu. A nonlinear response time of 35 ps is achieved due to the energy transfer from organic molecules to Ag nanoparticles. An ultrafast photonic crystal all-optical switching with an ultralow pump intensity of 0.2 MW/cm(2) is realized.

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页数：3

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