We find that the intraband dynamics of Bloch oscillations can only be understood in a complete excitonic picture. The results of THz emission experiments are modelled well by theory employing a full excitonic basis.
© 2004 Optical Society of America
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1670) Coherence and statistical optics : Coherent optical effects
(300.0300) Spectroscopy : Spectroscopy
(300.6240) Spectroscopy : Spectroscopy, coherent transient
B. Rosam, D. Meinhold, V. G. Lyssenko, K. Leo, L. Yang, M. M. Dignam, and K. Koehler, "Intraband dynamics of excitonic wave packets in a biased superlattice tested by THz emission," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper JMB2.
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