Surface Physics Laboratory Department of Physics Fudan University Shanghai 200433 China;
Surface Physics Laboratory Department of Physics Fudan University Shanghai 200433 China;
Surface Physics Laboratory Department of Physics Fudan University Shanghai 200433 China;
Surface Physics Laboratory Department of Physics Fudan University Shanghai 200433 China;
Surface Physics Laboratory Department of Physics Fudan University Shanghai 200433 China;
GaAs/AlGaAs V-grooved quantum wire; ion-implantation; photoluminescence; polarization; magneto-resistance;