The photoluminescence of excitons confined in an electric field tunable coupled AlAs/GaAs
quantum well has been investigated at T≥ 350 mK and magnetic fields H≤ 14 T. In the …

Due to the long lifetime of indirect (interwell) excitons, exciton condensation (analogous to
the Bose-Einstein condensation of bosons) is expected to occur in coupled quantum wells …

Low-temperature photoluminescence (PL) measurements have been performed in narrow
GaAs-Ga 1− x Al x As quantum wells subject to an electric field perpendicular to the well …

Heavy-hole and light-hole excitons in symmetric, coupled GaAs/Al 0.30 Ga 0.70 As double
quantum wells have been investigated by photoluminescence and photoluminescence …

Time‐resolved photoluminescence measurements of excitons in GaAs‐Ga1− x Al x As
quantum wells subject to an electric field perpendicular to the well plane have been made …

An accurate calculation of the exciton ground and excited states in AlGaAs and InGaAs
coupled quantum wells (CQWs) in an external electric field is presented. An efficient and …

We report the observation of the positively charged exciton and of the triplet state of the
negatively charged exciton in modulation doped GaAs quantum wells. Applying a gate …

We compare the photoluminescence spectra of the negatively and positively charged
excitons in GaAs quantum wells. We use a structure which enables us to observe both …

We have observed a sharp reduction of the photoluminescence linewidth from a two-
dimensional exciton system (coupled GaAs/AlGaAs quantum wells), at a certain critical …

We report about optical experiments on electric field tunable AlAs/GaAs coupled quantum
well structures in the regime of the electric field induced Γ-X transition. Using the …