Matsakaicin kewayon kayan InGaAs shine 900-1700nm, kuma ƙarar ninkawa ta yi ƙasa da na kayan germanium. Gabaɗaya ana amfani da shi azaman yanki mai haɓakawa don diodes na heterostructure. Kayan ya dace da sadarwar fiber na gani mai sauri, kuma samfuran kasuwanci sun kai saurin 10Gbit / s ko mafi girma.