Non-linear exciton spin-splitting in single InAs/GaAs self-assembled quantum structures in ultrahigh magnetic fields

A. Babinski, G. Ortner, S. Raymond, M. Potemski, M. Bayer, P. Hawrylak, A. Forchel, Z. Wasilewski, and S. Fafard 1 Grenoble High Magnetic Field Laboratory, MPI/FKF and CNRS, BP166, 38042, Grenoble Cedex 9, France 2 Institute of Experimental Physics, Warsaw University, Hoza 69, 00-681 Warsaw, Poland 3 Experimentelle Physik II, Universität Dortmund, D-44221 Dortmund, Germany 4 Institute for Microstructural Sciences, National Research Council, Ottawa, K1A 0R6, Canada and 5 Technische Physik, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany (Dated: November 12, 2018)