Magneto optical properties of self-assembled InAs quantum dots for quantum information processing*

Project supported by the National Basic Research Program of China (Grant No. 2014CB921003), the National Natural Science Foundation of China (Grant Nos. 11721404, 51761145104, and 61675228), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant Nos. XDB07030200 and XDPB0803), and the CAS Interdisciplinary Innovation Team.

Tang Jing1, Xu Xiu-Lai1, 2, †
       

(color online) (a) The contour plots of PL spectra of X and X2− as a function of bias voltage from −0.5 V to +0.5 V at different magnetic fields. The solid black lines are marked to guide eyes for the Stark shifts. (b) The permanent dipole as a function of magnetic field. With increasing of magnetic field, the sign of dipole moment changes from positive to negative. Inset are schematic diagrams for electron/hole wave functions with smaller and higher magnetic field, respectively. (c) The polarizability of X and X2− as a function of magnetic field. The empty symbols are data from Ref. [100] and Phys. Rev. B 70 201308 (2004) for comparison.[22]