Title :
Broadband terahertz modulators based on reconfigurable metamaterials and their potential application in terahertz imaging
Author_Institution :
Electr. Eng. & Comput. Sci. Dept., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
A new scheme for broadband terahertz modulation based on periodic arrays of subwavelength metallic slits is presented. By using this scheme, we demonstrate low loss terahertz modulation with 100% modulation index over a broad modulation bandwidth of more than 0.2THz.
Keywords :
metamaterials; modulation; modulators; terahertz wave devices; terahertz wave imaging; broadband terahertz modulation bandwidth; broadband terahertz modulators; low loss terahertz modulation index; periodic arrays; reconfigurable metamaterials; subwavelength metallic slits; terahertz imaging; Bandwidth; Electromagnetic waveguides; Frequency modulation; Imaging; Metamaterials; Optical filters;
Conference_Titel :
Electromagnetic Theory (EMTS), 2010 URSI International Symposium on
Conference_Location :
Berlin
Print_ISBN :
978-1-4244-5155-5
Electronic_ISBN :
978-1-4244-5154-8
DOI :
10.1109/URSI-EMTS.2010.5637305