公开(公告)号：US09054489B2

公开(公告)日：2015-06-09

申请号：US13974596

申请日：2013-08-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taek Kim ,  Igor Shcherbatko

IPC: H01S3/08 ,  H01S5/10 ,  H01S5/12 ,  H01S5/02 ,  H01S5/183 ,  H01S5/20 ,  H01S5/026

CPC classification number: H01S5/105 ,  H01S5/021 ,  H01S5/0215 ,  H01S5/026 ,  H01S5/10 ,  H01S5/1032 ,  H01S5/12 ,  H01S5/1206 ,  H01S5/1218 ,  H01S5/18308 ,  H01S5/18341 ,  H01S5/18361 ,  H01S5/18363 ,  H01S5/1838 ,  H01S5/2018 ,  H01S5/2063

Abstract: According to example embodiments, a hybrid vertical cavity laser for a photonic integrated circuit (PIC) includes: a grating mirror between first and second low refractive index layers, an optical waveguide optically coupled to one side of the grating mirror, a III-V semiconductor layer including an active layer on an upper one of the first and second low refractive index layers, and a top mirror on the III-V semiconductor layer. The grating mirror includes a plurality of bar-shaped low refractive index material portions arranged parallel to each other. The low refractive index material portions include a plurality of first portions having a first width and a plurality of second portions having second width in a width direction. The first and second widths are different.

Abstract translation: 根据示例实施例，用于光子集成电路（PIC）的混合垂直腔激光器包括：第一和第二低折射率层之间的光栅镜，光学耦合到光栅镜的一侧的光波导，III-V半导体 该层包括在第一和第二低折射率层上的上层上的有源层，以及III-V半导体层上的上反射镜。 光栅镜包括彼此平行布置的多个条形低折射率材料部分。 低折射率材料部分包括具有第一宽度的多个第一部分和在宽度方向上具有第二宽度的多个第二部分。 第一和第二宽度是不同的。

公开(公告)号：US08648342B2

公开(公告)日：2014-02-11

申请号：US13644102

申请日：2012-10-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taek Kim ,  Bok-ki Min

IPC: H01L31/0312

CPC classification number: H01L31/09 ,  G02B6/4202 ,  H01L31/028 ,  H01L31/036 ,  Y02E10/547

Abstract: A photodetector includes a waveguide on a substrate, and a photodetection portion connected to the waveguide. The photodetection portion includes a first semiconductor layer, graphene on the semiconductor layer, and a second semiconductor layer on the graphene. A first electrode and a second electrode separated from the first ridge portion and electrically connected to the graphene.

Abstract translation: 光电检测器包括在基板上的波导和连接到波导的光电检测部分。 光检测部分包括第一半导体层，半导体层上的石墨烯和石墨烯上的第二半导体层。 第一电极和第二电极，与第一脊部分离并与石墨烯电连接。

公开(公告)号：US09960567B2

公开(公告)日：2018-05-01

申请号：US14453070

申请日：2014-08-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taek Kim

IPC: H01S5/026 ,  H01S5/028 ,  H01S5/0625 ,  H01S5/12

CPC classification number: H01S5/026 ,  H01S5/0085 ,  H01S5/021 ,  H01S5/0265 ,  H01S5/028 ,  H01S5/0287 ,  H01S5/0425 ,  H01S5/0625 ,  H01S5/06256 ,  H01S5/1039 ,  H01S5/1209 ,  H01S5/125 ,  H01S5/3412 ,  H01S5/4012 ,  H01S5/4087 ,  H01S5/50 ,  H01S2301/173

Abstract: A laser device includes a silicon substrate, a buffer layer on the silicon substrate, a laser cavity on the buffer layer including a first active region based on group III-V semiconductor quantum dots, and a semiconductor optical amplifier that is integrated with the laser cavity on the buffer layer, includes a second active region based on group III-V semiconductor quantum dots, and amplifies light emitted from the laser cavity.

公开(公告)号：US09048613B2

公开(公告)日：2015-06-02

申请号：US13975499

申请日：2013-08-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duanhua Kong ,  Taek Kim

IPC: H01S5/022 ,  H01S5/18 ,  H01S5/183 ,  H01S5/026 ,  H01S5/10

CPC classification number: H01S5/026 ,  G02B6/12004 ,  H01S5/105 ,  H01S5/18347 ,  H01S5/18361

Abstract: A hybrid vertical cavity laser includes an optical circuit substrate including a grating having refractive index units having a lower refractive index and a higher refractive index with respect to each other that are alternately arranged in a first direction, and a waveguide guiding light in the first direction, a mesa structure on the optical circuit substrate, the mesa structure including a first-type semiconductor layer including an exposed portion, an active layer, a second-type semiconductor layer, and an upper reflective layer sequentially stacked in a second direction perpendicular to the first direction, a first electrode on the exposed portion, and a second electrode on the upper reflective layer. An overlapped length between the waveguide and a mesa aperture forming an opening through which light produced from the active layer enters the grating is D, a pitch of the grating is p, and 0

Abstract translation: 混合垂直腔激光器包括光电路衬底，该光电路衬底包括具有折射率单位的折射率单位的光栅，所述折射率单元相对于彼此交替排列在第一方向上的折射率较低和折射率较高;以及波导， 在所述光电路基板上的台面结构，所述台面结构包括包括暴露部分，有源层，第二类型半导体层和上反射层的第一类型半导体层，所述第一类型半导体层顺序地沿垂直于 第一方向，暴露部分上的第一电极和上反射层上的第二电极。 波导和台面孔之间的重叠长度形成开口，通过该开口，从有源层产生的光进入光栅是D，光栅的间距为p，且0