Title :
High field pulsed terahertz measurements of nonlinear conductivity
Author_Institution :
Dept. of Phys., State Univ. of New York, Buffalo, NY, USA
Abstract :
High field pulsed terahertz spectroscopy is used to measure the inplane nonlinear conductivity response of two dimensional electron gases. Results are compared to FEL measurements suggesting LO phonon bottleneck weakening at 0.5 THz.
Keywords :
electrical conductivity measurement; high-speed optical techniques; nonlinear optics; phonons; semiconductor quantum wells; submillimetre wave spectroscopy; two-dimensional electron gas; 0.5 THz; 2D electron gases; FEL measurements; LO phonon bottleneck weakening; high field pulsed terahertz measurements; high field pulsed terahertz spectroscopy; inplane nonlinear conductivity response; nonlinear conductivity; two dimensional electron gases; Conductivity measurement; Electron emission; Finite impulse response filter; Nonlinear optics; Phonons; Power measurement; Pulse measurements; Resonance; Spectroscopy; Submillimeter wave measurements;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883591
