Optical and Terahertz Characterization of Be-Doped GaAs/AlAs Multiple Quantum Wells

B. Cechavicius, J. Kavaliauskasa,∗, G. Krivaitė, D. Seliuta, E. Sirmulis, J. Devenson, G. Valusis, B. Sherliker, M.P. Halsall, M.J. Steer and P. Harrison Semiconductor Physics Institute, A. Gostauto 11, 01108, Vilnius, Lithuania Department of Physics, UMIST, Manchester M60 1QD, United Kingdom Department of Electronic and Electrical Engineering, University of Sheffield Sheffield S1 3JD, United Kingdom IMP, School of Electronic and Electrical Engineering, University of Leeds Leeds LS2 9JT, United Kingdom