Giant enhancement of Kerr rotation in two-dimensional Bismuth iron garnet/Ag photonic crystals*
Liang Honga),b), Liu Huanc), Zhang Qianga),c), Fu Shu-Fangc)†, Zhou Shengc), Wang Xuan-Zhangc)
       
Geometry configuration and coordinate system. The external magnetic field and the BIG sublattice magnetizations are aligned along the z axis. The bottom one is offered to the coordinate transformation between the xyz and rθz systems.