公开(公告)号：US20150277054A1

公开(公告)日：2015-10-01

申请号：US14159355

申请日：2014-01-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyundai PARK ,  Taeyong KIM ,  JiHo JOO ,  Jaegyu PARK ,  Gyungock KIM

IPC: G02B6/30 ,  G02B6/12 ,  G02B6/122 ,  G02B6/14

CPC classification number: G02B6/305 ,  G02B6/12002 ,  G02B6/1228 ,  G02B6/14 ,  G02B2006/12092

Abstract: Provided are an optical coupler and an optical device including the same. The optical coupler includes: a substrate; a buffer layer on the substrate; and an optical coupling layer including a horizontal mode expander layer and a vertical mode expander layer, wherein the horizontal mode expander layer expands in one direction on the buffer layer, and wherein the vertical mode expander layer adjusts a stepped difference between the horizontal mode expander layer and a plurality of optical transmission devices having different diameters or sectional areas and connected to both sides of the horizontal mode expander layer, and the vertical mode expander layer is disposed on a side of the horizontal mode expander layer to minimize optical loss between the plurality of optical transmission devices.

Abstract translation: 提供一种光耦合器和包括该光耦合器的光学装置。 光耦合器包括：基板; 衬底上的缓冲层; 以及包括水平模式扩展器层和垂直模式扩展器层的光学耦合层，其中水平模式扩展器层在缓冲层上在一个方向上扩展，并且其中垂直模式扩展器层调整水平模式扩展器层 以及具有不同直径或截面积并连接到水平模式扩展器层的两侧的多个光传输装置，并且垂直模式扩展器层设置在水平模式扩展器层的一侧，以使多个 光传输设备。

公开(公告)号：US20140169389A1

公开(公告)日：2014-06-19

申请号：US13941038

申请日：2013-07-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Taeyong KIM ,  JiHo JOO ,  Gyungock KIM

IPC: H04B10/60

CPC classification number: G02B6/4249 ,  G02B6/4204 ,  G02B6/4214

Abstract: An optical receiver module includes a demultiplexer, an optical device including a right-angled mirror reflecting individual optical signals transmitted from the demultiplexer and a plurality of lenses receiving the reflected optical signals, and a plurality of photodetectors spaced apart from the plurality of lenses by a predetermined distance. The plurality of photodetectors converts the individual optical signals into electrical signals. The optical device and the demultiplexer are formed into a united structure. A distance between the lenses is equal to a distance between the photodetectors.

Abstract translation: 一种光接收机模块，包括：解复用器，光学装置包括反射从解复用器发送的各个光信号的直角镜和接收反射的光信号的多个透镜;以及多个与多个透镜间隔开的光检测器 预定距离。 多个光电检测器将各个光信号转换为电信号。 光学器件和解复用器形成为一体的结构。 透镜之间的距离等于光电检测器之间的距离。

公开(公告)号：US20140178069A1

公开(公告)日：2014-06-26

申请号：US13940212

申请日：2013-07-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Taeyong KIM ,  JiHo JOO ,  Gyungock KIM

IPC: H04J14/02

CPC classification number: H04J14/0221 ,  G02B6/4249 ,  G02B6/4281

Abstract: An optical receiver module may include a demultiplexer routing a plurality of multiplexed optical signals to different optical paths depending on their wavelengths, a photodetector provided spaced apart from the demultiplexer to convert the optical signals into electric signals, respectively, a pre-amplifier electrically connected to the photodetector to amplify intensities of the electric signals, a flexible printed circuit board including a first electrode layer, which is electrically connected to the pre-amplifier to transmit the electric signals to the external circuit, and a second electrode layer configured to supply a ground potential. The flexible printed circuit board are provided not to have any via hole between the first and second electrode layers.

Abstract translation: 光接收器模块可以包括解复用器，其根据其波长将多个复用的光信号路由到不同的光路径;光电检测器，其与解复用器间隔开设置，分别将光信号转换成电信号;电前连接到 所述光电检测器用于放大所述电信号的强度;柔性印刷电路板，包括电连接到所述前置放大器以将所述电信号传输到所述外部电路的第一电极层;以及被配置为提供接地的第二电极层 潜在。 柔性印刷电路板设置成在第一和第二电极层之间不具有任何通孔。