GaAs/Ge/GaAs Heterostructures for Use in Nonlinear Optics Kazakov, I. P. ; Pruchkina, A. A. ; Bazalevsky, M. A. ; Tsekhosh, V. I. ; Klekovkin, A. V. Abstract Publication: Bulletin of the Russian Academy of Sciences, Physics Pub Date: April 2018 DOI: 10.3103/S106287381804007X Bibcode: 2018BRASP..82..412K