Abstract
Advances in ultrashort optical pulse measurement techniques have opened the way to the investigation of dynamic processes in semiconductors on a time scale previously inaccessible. Pulses as short as 6 femtoseconds have been generated and applied to the study of nonequilibrium processes in semiconductors. New optical electronic measurement techniques have provided the means for investigating transport on a femtosecond time scale. Novel techniques have been developed to study hot electrons in metals in the transient regime. In this contribution I will review these interesting advances and discuss the impact on new understanding in semiconductor physics.
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