We study the negative differential resistance in negative-effective-mass (NEM) semiconductors. The NEM diodes based on the NDR mechanisms have a self-oscillating frequency in the terahertz range. We have investigated the electric domain dynamics in the diodes under dc electric field, and nonlinear dynamics driven by dc+ac voltages.
Semiconductor terahertz oscillators and nonlinear dynamics
2006-09-01
1068209 byte
Conference paper
Electronic Resource
English
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