Infrared Semiconductor Metamaterials
Technical Report,15 Jul 2013,14 Jul 2016
University of California, Santa Barbara Santa Barbara United States
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The central objective of this program is to create a new class of programmable infrared optic that can steer or focus beams and is reconfigurable at electronic time scales. To achieve this goal, we must create subwavelength infrared metasurface resonators with a phase response that can be dynamically and continuousy tuned between 0 and 2pi. The major accomplishments of this program are 1 establishing an approach for widely tunable resonators and metasurfaces 2 experimentally demonstrating widely tunable semiconductor antennas and 3 designing and demonstrating electrically reconfigurable metasurfaces based on heterojunction resonators.