Journal article

Twisted split-ring-resonator photonic metamaterial with huge optical activity

Decker M, Zhao R, Soukoulis C, Linden S, Wegener M ...see all

Optics Letters, vol. 35, issue 10 (2010) p. 1593

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Coupled split-ring-resonator metamaterials have previously been shown to exhibit large coupling effects, which are a prerequisite for obtaining large effective optical activity. By a suitable lateral arrangement of these building blocks, we completely eliminate linear birefringence and obtain pure optical activity and connected circular optical dichroism. Experiments around a 100 THz frequency and corresponding modeling are in good agreement. Rotation angles of about 30 degrees for 205 nm sample thickness are derived.

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  • M. Decker

  • R. Zhao

  • C. M. Soukoulis

  • S. Linden

  • M. Wegener

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