Ultrafast modulation of optical metamaterials

Cho, David J. and Wu, Wei and Ponizovskaya, Ekaterina and Chaturvedi, Pratik and Bratkovsky, Alexander M. and Wang, Shih-Yuan and Zhang, Xiang and Wang, Feng and Shen, Y. Ron. (2009) Ultrafast modulation of optical metamaterials. Optics Express, 17 (20). p. 17652. ISSN 1094-4087

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We show by pump-probe spectroscopy that the optical response of a fishnet metamaterial can be modulated on the femtosecond time scale. The modulation dynamics is dominated by pump-induced changes in the constituting dielectric medium, but the strength of modulation is dramatically enhanced through the plasmon resonance. The pump-induced spectral responses of the metamaterial provide understanding on how the resonance is modified by pump excitation. Our study suggests that metamaterials can be used as high-speed amplitude/phase modulators with terahertz-bandwidth.

Item Type: Article
Collections: Nanomanufacturing Research Collection > Nanomanufacturing Nanoscale Science and Engineering Centers > Center for Scalable and Integrated Nanomanufacturing
Depositing User: Robert Stevens
Date Deposited: 06 Oct 2014 20:59
Last Modified: 06 Oct 2014 20:59
URI: http://eprints.internano.org/id/eprint/2222

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