Optical shaping of polarization anisotropy in a laterally-coupled-quantum-dot dimer

(Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, Chinese Academy) Coupled-quantum-dot (CQD) structures are considered to be an important building block in the development of scalable quantum devices. We found that emission of a laterally-coupled QD structure is strongly polarized along the coupled direction and its polarization anisotropy can be shaped by changing the orientation of the excitation polarization. Surprisingly, both excitons and local biexcitons ...