I-GGG/SGGG/NGG Garnets isetshenziselwa i-epitaxy ewuketshezi.I-SGGG subatrates iyi-substrates ezinikele yefilimu ye-magneto-optical.Ezisetshenziswa zokuxhumana ezibonakalayo, zidinga kakhulu ukusebenzisa i-1.3u kanye ne-1.5u optical isolator, ingxenye yayo eyinhloko yifilimu ye-YIG noma ye-BIG. ibekwe endaweni kazibuthe.