Supported by the National Natural Science Foundation of China(Grant Nos.11874236 and 11004120);the QFNU Research Fund;the Research Program of JNXY。
We investigate the Rashba and Dressehaus spin-orbit(SO)couplings in an ordinary GaAs/AlGaAs asymmetric double well,which favors the electron occupancy of three subbands v=1,2,3.Resorting to an external gate,which adju...