Coupled Bloch-phonon modes in superlattices
Coupled Bloch-phonon modes in superlattices
Ghosh, A. W.; Jönsson, L.; Wilkins, J. W.; Dekorsy, T.; Bartels, A.; Kurz, H.
Experiments and microscopic theoretical analysis show that the coupling of Bloch
oscillations with coherent longitudinal optical phonons in a GaAs/AlGaAs
superlattice leads to resonant coherent phonon excitation but no gap in the Bloch-phonon spectrum.
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Lecture (Conference)
Quantum Electronics and Laser Sciences Conference (QELS) 2001, Baltimore, MD, USA, May 6-11, 2001
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