国家/地区 中国（5）
IPC部 H（3） G（2）
IPC大类 H01（3） G02（2）
IPC小类 G02B（2） H01S（2）
IPC G02B001/00（2） G02B006/12（2）
发明人 XIAO X（5）
公开年 2020（2）
申请年 2019（3） 
专利权人 WUHAN RES INST POSTS TELECOM（5）

Bidirectional coupler used in field of information optoelectronic technology, comprises boron nitride film, and graphene thin film, which are alternately arranged to form coupling region.

XIAO X, JIANG T, WU L, TAO J

Optical waveguide amplifier, has graphene layer covering and contacting doped dielectric layer, first electrode electrically connected with graphene layer, and second electrode contacting substrate.

WANG L, XIAO X, ZHOU P

Graphene based three-layer over surface coupler structure, has first insulating layer for surrounding first hypersurface and second hypersurface, graphene structure layer and substrate respectively fixed on insulator structure layer.

LIU M, HU X, CHEN D, XIAO X

On-chip Silicon dioxide optical waveguide integrated Graphene saturable absorber, has graphene film covered on silicon dioxide optical waveguide, where two sides of graphene film are coated on surface of substrate along Y-direction.

HU X, XIAO X, ZHANG Y, CHEN D, LI M, WANG L, FENG P, YU S

Graphene and ultra-surface structure based optical coupling device, has first ultra surface structure for transmitting incident light to second ultra surface structure such that third structure reflects incident light to second structure.

HU X, XIAO X, ZHANG Y, CHEN D, LI M, WANG L, FENG P, YU S