2008•Quantum Electronics and Laser Science ConferenceRequires access
Demonstration of Negative Refractive Index in a Three-Dimensional Optical Metamaterial
Jason Valentine, Shuang Zhang, Thomas Zentgraf, Erick Ulin-Avila, Dentcho A. Genov, Guy Bartal, Xiang Zhang
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Abstract
We report experimental realization of the first three-dimensional (3-D) optical negative index metamaterial. We measure the bulk refractive index using a 3-D prism and Snell’s Law, unambiguously demonstrating negative phase propagation in the material.