Thursday, March 3, 2016
Abstract-Time-domain measurement of terahertz frequency magnetoplasmon resonances in a two-dimensional electron system by the direct injection of picosecond pulsed currents
We have investigated terahertz (THz) frequency magnetoplasmon resonances in a two-dimensional electron through the direct injection of picosecond duration current pulses. The evolution of the time-domain signals was as a function of and the results were found to be in agreement with calculations using a mode-matching approach for four modes observed in the frequency range above 0.1 THz. This introduces a generic technique suitable for sampling ultrafast carrier dynamics in low-dimensional semiconductor nanostructures at THz frequencies.