Active Terahertz Metamaterial Devices

著者: Hou‐Tong Chen, John F. O’Hara, Abul K. Azad, David Shrekenhamer, Willie J. Padilla, Joshua M. O. Zide, A. C. Gossard, Richard D. Averitt, Antoinette J. Taylor - Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing 2008 被引用: 506

We demonstrate THz metamaterials exhibiting either amplitude control, via carrier injection or depletion in the active semiconductor substrate or frequency control, via photoexcitation of carriers into active semiconducting materials incorporated into the sub-wavelength metamaterial structure.