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The evolution of the electric field in an optically excited superlattice

: Lisauskas, A.; Sachs, R.; Roskos, H.; Juozapavicius, A.; Valusis, G.; 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 report on the time evolution of Wannier-Staik and flatband excitonic transitions and deduce the electric field dynamics in an intrinsic GaAs/AlGaAs (6.7 nm/1.7 nm) super-lattice using time-resolved electroreflectance spectroscopy.