Confinement and Interaction of Single Indirect Excitons in a Voltage-Controlled Trap Formed Inside Double InGaAs Quantum Wells
G.J. Schinner, J. Repp, E. Schubert, A.K. Rai, D. Reuter, A.D. Wieck, A.O. Govorov, A.W. Holleitner, J.P. Kotthaus, Physical Review Letters 110 (2013).