Spin-orbit coupling and the topology of gases of spin-degenerate cold excitons in photoexcited GaAs-AlGaAs quantum wells

• Main Authors: Matuszewski, M., Liew, Timothy Chi Hin, Rubo, Y. G., Kavokin, A. V.
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2017
• Subjects: Quantum wells; Excitons
• Online Access: https://hdl.handle.net/10356/85892; http://hdl.handle.net/10220/43890
• Institution: Nanyang Technological University

We calculate the spatial structure of four-component spinor systems of mixed bright and dark exciton condensates in coupled quantum wells. The spin-dependent bright-dark exciton conversion and Dresselhaus spin-orbit coupling is found to generate a rich variety of topological elements. By propagating...