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Intraband dynamics of excitonic wave packets in a biased superlattice tested by THz emission

: Rosam, B.; Meinhold, D.; Lyssenko, V.G.; Leo, K.; Yang, L.; Dignam, M.M.; Köhler, K.

American Physical Society -APS-, Division of Laser Science; IEEE Lasers and Electro-Optics Society; Optical Society of America -OSA-, Washington/D.C.:
International Quantum Electronics Conference, IQEC 2004. Postconference digest : 18.-20.05.2004, San Francisco, Calif.
Washington, DC: OSA, 2004 (Trends in optics and photonics series 97)
ISBN: 1-557-52778-4
ISSN: 1094-5695
International Quantum Electronics Conference (IQEC) <2004, San Francisco/Calif.>
Conference Paper
Fraunhofer IAF ()

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.