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Giant nonlinear optical activity in a plasmonic metamaterial

Ren, M., Plum, E., Xu, J. and Zheludev, N.I. (2012) Giant nonlinear optical activity in a plasmonic metamaterial Nature Communications, 3, 833-[5pp]. (doi:10.1038/ncomms1805). (PMID:22588295).

Record type: Article


In 1950, a quarter of a century after his first ever nonlinear optical experiment when intensity dependent absorption was observed in uranium-doped glass, Sergey Vavilov predicted that birefringence, dichroism and polarization rotatory power should be dependent on light intensity. It required the invention of the laser to observe the barely detectable effect of light intensity on the polarization rotary power of the optically active lithium iodate crystal, the phenomenon now known as the nonlinear optical activity, a high-intensity counterpart of the fundamental optical effect of polarization rotation in chiral media. Here we report that a plasmonic metamaterial exhibits nonlinear optical activity 30 million times stronger than lithium iodate crystals thus transforming this fundamental phenomenon of polarization nonlinear optics from an esoteric phenomenon into a major effect of nonlinear plasmonics with potential for practical applications.

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Published date: 15 May 2012
Keywords: physical sciences, optical physics
Organisations: Optoelectronics Research Centre


Local EPrints ID: 339002
PURE UUID: cd629c57-1817-435c-b26a-8ff76adf3baa
ORCID for E. Plum: ORCID iD

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Date deposited: 21 May 2012 14:00
Last modified: 18 Jul 2017 05:56

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Author: M. Ren
Author: E. Plum ORCID iD
Author: J. Xu
Author: N.I. Zheludev

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