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Higher harmonics in the current oscillations in weakly coupled GaAs/AlGaAs superlattices

✍ Scribed by G. K. Rasulova; N. P. Brunkov; A. E. Zhukov; V. M. Ustinov


Book ID
111443571
Publisher
Springer
Year
2006
Tongue
English
Weight
188 KB
Volume
40
Category
Article
ISSN
1063-7826

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Bloch oscillations of wave packets in semiconductor superlattices are observed by \(\mathrm{THz}-\) emission spectroscopy after pulsed photo-excitation well above the fundamental bandgap. We show that Bloch oscillations are induced by excitation of states in both the first and the second electron mi