摘要:
A ridge-waveguide semiconductor laser diode with an improved current injection structure is provided. The ridge-waveguide semiconductor laser diode includes: a substrate; a lower multi-semiconductor layer formed on the substrate; an active layer formed on the lower multi-semiconductor layer; an upper multi-semiconductor layer having a ridge portion and formed on the active layer; and an upper electrode formed on the upper multi-semiconductor layer, wherein the upper electrode covers at least one side surface of the ridge portion.
摘要:
A gallium nitride (GaN)-based compound semiconductor device having a structure improving a surface characteristic of a thin film growing on a substrate is provided. The GaN-based compound semiconductor device includes an AlxInyGa1-x-yN substrate (0≦x≦1, 0≦y≦1, and 0≦x+y≦1) whose surface inclines toward a predetermined direction at an off-angle of greater than 0° and less than 1° with respect to the (0001) plane, and a GaN-based compound semiconductor layer grown on the surface of the substrate.
摘要翻译:提供了具有提高在基板上生长的薄膜的表面特性的结构的基于氮化镓(GaN)的化合物半导体器件。 GaN基化合物半导体器件包括Al衬底(0≤x≤1,0) 相对于(0001)面,其表面朝向预定方向倾斜大于0°且小于1°的角度<= y <= 1和0 <= x + y <= 1),以及 在基板的表面上生长的GaN基化合物半导体层。
摘要:
A semiconductor substrate includes a first semiconductor layer and a second semiconductor layer. The first semiconductor layer is formed of II-VI-group semiconductor material, III-V-group semiconductor material, or II-VI-group semiconductor material and III-V-group semiconductor material. At least one amorphous region and at least one crystalloid region are formed in the first semiconductor layer. The second semiconductor layer is formed on the first semiconductor layer and is crystal-grown from the at least one crystalloid region. A method of manufacturing a semiconductor substrate includes preparing a growth substrate; crystal-growing the first semiconductor layer on the growth substrate; forming the at least one amorphous region and the at least one crystalloid region in the first semiconductor layer; and forming a second semiconductor layer on the first semiconductor layer using the at least one amorphous region as a mask and the at least one crystalloid region as a seed.
摘要:
A semiconductor substrate includes a first semiconductor layer and a second semiconductor layer. The first semiconductor layer is formed of II-VI-group semiconductor material, III-V-group semiconductor material, or II-VI-group semiconductor material and III-V-group semiconductor material. At least one amorphous region and at least one crystalloid region are formed in the first semiconductor layer. The second semiconductor layer is formed on the first semiconductor layer and is crystal-grown from the at least one crystalloid region. A method of manufacturing a semiconductor substrate includes preparing a growth substrate; crystal-growing the first semiconductor layer on the growth substrate; forming the at least one amorphous region and the at least one crystalloid region in the first semiconductor layer; and forming a second semiconductor layer on the first semiconductor layer using the at least one amorphous region as a mask and the at least one crystalloid region as a seed.
摘要:
Provided are a semiconductor device having a superlattice semiconductor layer and a method of fabricating the same. The semiconductor device includes a superlattice semiconductor layer in which first material layers and second material layers formed of different materials are alternately stacked. A plurality holes are formed in the first material layers and the second material layers forming a superlattice structure, and the holes are filled with materials of the adjacent material layers. The provided superlattice structure reduces a driving voltage by transferring charges through the holes in the first material layers and the second material layers while maintaining a predetermined optical confinement characteristic.
摘要:
Provided are a semiconductor device having a superlattice semiconductor layer and a method of fabricating the same. The semiconductor device includes a superlattice semiconductor layer in which first material layers and second material layers formed of different materials are alternately stacked. A plurality holes are formed in the first material layers and the second material layers forming a superlattice structure, and the holes are filled with materials of the adjacent material layers. The provided superlattice structure reduces a driving voltage by transferring charges through the holes in the first material layers and the second material layers while maintaining a predetermined optical confinement characteristic.
摘要:
A method of manufacturing a nitride-based semiconductor laser diode that can minimize optical absorption on a cavity mirror plane and improve the surface roughness of the cavity mirror plane is provided. The method includes the steps of: forming on a (0001) GaN (gallium nitride) substrate having at least two masks spaced apart by a distance equal to a laser cavity length in stripes that extend along the direction; growing an n-GaN layer on the GaN substrate between the masks so that two (1-100) edges of the n-GaN layer are thicker than the remaining regions thereof; sequentially stacking an n-clad layer, an active layer, and a p-clad layer on the n-GaN layer to form an edge-emitting laser cavity structure in which laser light generated in the active layer passes through a region of the n-clad layer aligned laterally with the active layer and is output; and etching a (1-100) plane of the laser cavity structure to form a cavity mirror plane.
摘要:
A Pendeo-epitaxy growth substrate and a method of manufacturing the same are provided. The Pendeo-epitaxy growth substrate includes a substrate, a plurality of pattern areas formed on the substrate in a first direction for Pendeo-epitaxy growth, and at least one solution blocking layer contacting the plurality of pattern areas and formed on the substrate in a second direction, thereby preventing contamination of a semiconductor device due to air gaps and reducing the percentage defects of the semiconductor device during a Pendeo-epitaxy growth process.
摘要:
A Pendeo-epitaxy growth substrate and a method of manufacturing the same are provided. The Pendeo-epitaxy growth substrate includes a substrate, a plurality of pattern areas formed on the substrate in a first direction for Pendeo-epitaxy growth, and at least one solution blocking layer contacting the plurality of pattern areas and formed on the substrate in a second direction, thereby preventing contamination of a semiconductor device due to air gaps and reducing the percentage defects of the semiconductor device during a Pendeo-epitaxy growth process.
摘要:
A method of manufacturing a nitride-based semiconductor laser diode that can minimize optical absorption on a cavity mirror plane and improve the surface roughness of the cavity mirror plane is provided. The method includes the steps of: forming on a (0001) GaN (gallium nitride) substrate having at least two masks spaced apart by a distance equal to a laser cavity length in stripes that extend along the direction; growing an n-GaN layer on the GaN substrate between the masks so that two (1-100) edges of the n-GaN layer are thicker than the remaining regions thereof; sequentially stacking an n-clad layer, an active layer, and a p-clad layer on the n-GaN layer to form an edge-emitting laser cavity structure in which laser light generated in the active layer passes through a region of the n-clad layer aligned laterally with the active layer and is output; and etching a (1-100) plane of the laser cavity structure to form a cavity mirror plane.