Title :
Plasmon resonances in terahertz photoconductivity
Author :
Horing, Norman J Morgenstem
Author_Institution :
Dept. of Phys. & Eng. Phys., Stevens Inst. of Technol., Hoboken, NJ, USA
Abstract :
A dielectric response mechanism that is nonlinear in an incident THz field is proposed to explain the identity of dc photoconductivity and plasmon resonances in semiconductor nanostructures. The dc photoconductivity resonances match the plasmon resonances in semiconductors based on a nonlinear dynamic screening mechanism; albeit that the dc photoconductance is linear in the source-drain voltage.
Keywords :
dielectric function; nanostructured materials; photoconducting materials; photoconductivity; plasmons; semiconductor materials; dc photoconductivity resonances; dielectric response mechanism; nonlinear dynamic screening mechanism; plasmon resonances; semiconductor nanostructures; terahertz photoconductivity; Dielectrics; Frequency; Photoconductivity; Physics; Plasma sources; Plasma waves; Plasmons; Polarization; Resonance; Voltage;
Conference_Titel :
Nanotechnology, 2004. 4th IEEE Conference on
Print_ISBN :
0-7803-8536-5
DOI :
10.1109/NANO.2004.1392353
