Title :
Negative refraction in mid-infrared semiconductor metamaterials
Author :
Hoffman, Anthony J. ; Alekseyev, Leonid ; Narimanov, Evgenii E. ; Gmachl, Claire ; Sivco, Deborah L.
Author_Institution :
Department of Electrical Engineering, Princeton University, NJ 08544, USA
Abstract :
Semiconductor metamaterials consisting of n+-GaInAs/i-AlInAs heterostructures that support negative index modes in the mid-infrared are reported. We demonstrate negative refraction in these metamaterials for wavelengths from 9¿15 ¿m over a wide range of incidence angles.
Keywords :
Dielectric materials; Magnetic materials; Metamaterials; Optical imaging; Optical materials; Optical refraction; Optical resonators; Optical variables control; Tellurium; Wavelength measurement;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431825
