Modulation of negative index metamaterials in the near-IR range

被引：34

作者：

Kim, Evgenia ^{[1
]}

Shen, Y. Ron

Wu, Wei

Ponizovskaya, Ekaterina

Yu, Zhaoning

Bratkovsky, Alexander M.

Wang, Shih-Yuang

Williams, R. Stanley

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Hewlett Packard Labs, Quantum Sci Res, Palo Alto, CA 94304 USA

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 17期

关键词：

D O I：

10.1063/1.2801701

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optical modulation of the effective refractive properties of a "fishnet" metamaterial with a Ag/Si/Ag heterostructure is demonstrated in the near-IR range and the associated fast dynamics of negative refractive index is studied by pump-probe method. Photoexcitation of the amorphous Si layer at visible wavelength and corresponding modification of its optical parameters is found to be responsible for the observed modulation of negative refractive index in near-IR. (C) 2007 American Institute of Physics.

引用

页数：3

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