Nanostructured plasmonic medium for terahertz bandwidth all-optical switching.

@article{Ren2011NanostructuredPM,
  title={Nanostructured plasmonic medium for terahertz bandwidth all-optical switching.},
  author={Mengxin Ren and Baohua Jia and J. Y. Ou and Eric Plum and Jianfa Zhang and Kevin F. MacDonald and Andrey E. Nikolaenko and Jingjun Xu and Min Gu and Nikolay I. Zheludev},
  journal={Advanced materials},
  year={2011},
  volume={23 46},
  pages={
          5540-4
        }
}
Periodic nanostructuring can enhance the optical nonlinearity of plasmonic metals by several orders of magnitude. By patterning a gold film, the largest sub-100 femtosecond nonlinearity is achieved, which is suitable for terahertz rate all-optical data processing as well as ultrafast optical limiters and saturable absorbers. 
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