▎ 摘　　要

NOVELTY - The utility model claims a based on cadmium sulphide nanometer line and graphene nano with SPP spreading device, wherein, it comprises orderly overlapped bottom layer graphene, gallium arsenide layer, cladding layer and top layer graphene, said cladding is provided with air gap, one side of the air gap of the graphene nano ribbon is set, and the other side is symmetrically provided with cadmium sulphide nanometre wire. The device is easy to plurality of nano photonic, electronic device is integrated, and has wide application prospect in light sensing, light communication and so on field, this device can provide a prototype device for development of a new generation of nano laser.