Title :
Frequency tunable terahertz metamaterials
Author :
Chen, Hou-Tong ; Azad, Abul K. ; Shrekenhamer, D. ; Padilla, Willie J. ; Averitt, Richard D. ; Taylor, Antoinette J. ; Hara, John F O
Author_Institution :
MPA-CINT, Los Alamos Nat. Lab., Los Alamos, NM
Abstract :
We present a hybrid metamaterial semiconductor device capable of 20% tunability of the center resonance frequency via photoexcitation of the semiconductor regions, thereby addressing the metamaterials drawback of narrow bandwidth operation.
Keywords :
metamaterials; microwave photonics; optical tuning; photoexcitation; semiconductor devices; submillimetre wave devices; center resonance frequency; frequency tunable terahertz metamaterials; hybrid metamaterial semiconductor device; narrow bandwidth operation; photoexcitation; semiconductor regions; Capacitors; Frequency; Laser excitation; Metamaterials; Optical resonators; Pulse measurements; Resonance; Scanning electron microscopy; Silicon; Tunable circuits and devices; (160.3918) Metamaterials; (160.5140) Photoconductive materials; (230.1150) All-optical devices; (300.6495) Spectroscopy, terahertz;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
