State Key Laboratory of Optoelectronic Materials and Technologies;
School of Physics;
Sun Yat-sen University;
Guangzhou 510275;
China;
State Key Laboratory of Optoelectronic Materials and Technologies;
School of Electronics and Information Technology;
Sun Yat-sen University;
Guangzhou 510275;
China;
Institute for Integrative Nanosciences;
Leibniz IFW Dresden;
Helmholtzstrasse 20;
Dresden 01069;
Germany;
photonic; nanowire; photonic; crystal; waveguide; solid; immersion; lens; micro-lens; circular; Bragg; grating;