Coherent oscillations of a wave packet in a semiconductor double-quantum-well structure
Karl Leo(AT&T (United States)), Jagdeep Shah(AT&T (United States)), E. O. Göbel(AT&T (United States)), Theodore C. Damen(AT&T (United States)), S. Schmitt‐Rink(AT&T (United States)), Wilfried Schäfer(AT&T (United States)), K. Köhler(Fraunhofer Institute for Applied Solid State Physics)
Cited by 333
Abstract
We present the first study of the dynamics of an extended electronic wave packet in a solid. The wave packet is created in a GaAs/AlGaAs double-quantum-well structure by ultrashort pulse excitation. We observe the oscillatory motion of the wave packet between the two wells by using time-resolved degenerate four-wave-mixing and pump-and-probe spectroscopy.
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