公开(公告)号：US20140175510A1

公开(公告)日：2014-06-26

申请号：US14194723

申请日：2014-03-01

申请人： Electronics and Telecommunications Research Institute

发明人： Dongwoo SUH ,  Sang Hoon KIM ,  Gyungock KIM ,  JiHo JOO

IPC分类号： H01L31/028

CPC分类号： H01L31/028 ,  H01L21/02381 ,  H01L21/0245 ,  H01L21/02532 ,  H01L21/02592 ,  H01L21/0262 ,  H01L21/02667 ,  H01L31/103 ,  H01L31/1808 ,  H01L31/1872 ,  Y02E10/50 ,  Y02P70/521

摘要： Provided is a germanium photodetector having a germanium epitaxial layer formed without using a buffer layer and a method of fabricating the same. In the method, an amorphous germanium layer is formed on a substrate. The amorphous germanium layer is heated up to a high temperature to form a crystallized germanium layer. A germanium epitaxial layer is formed on the crystallized germanium layer.

摘要翻译： 提供了具有不使用缓冲层形成的锗外延层的锗光电检测器及其制造方法。 在该方法中，在基板上形成无定形锗层。 将非晶锗层加热至高温以形成结晶的锗层。 在结晶的锗层上形成锗外延层。

公开(公告)号：US20150277054A1

公开(公告)日：2015-10-01

申请号：US14159355

申请日：2014-01-20

申请人： Electronics and Telecommunications Research Institute

发明人： Hyundai PARK ,  Taeyong KIM ,  JiHo JOO ,  Jaegyu PARK ,  Gyungock KIM

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

CPC分类号： G02B6/305 ,  G02B6/12002 ,  G02B6/1228 ,  G02B6/14 ,  G02B2006/12092

摘要： 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.

摘要翻译： 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

申请人： Electronics and Telecommunications Research Institute

发明人： Taeyong KIM ,  JiHo JOO ,  Gyungock KIM

IPC分类号： H04B10/60

CPC分类号： G02B6/4249 ,  G02B6/4204 ,  G02B6/4214

摘要： 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.

摘要翻译： 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：US20150030282A1

公开(公告)日：2015-01-29

申请号：US14157426

申请日：2014-01-16

申请人： Electronics and Telecommunications Research Institute

发明人： Hyundai PARK ,  Jaegyu PARK ,  JiHo JOO ,  Gyungock KIM

IPC分类号： G02B6/12 ,  G02B6/13

CPC分类号： G02B6/12004 ,  G02B6/12 ,  G02B6/1228 ,  G02B2006/12078 ,  G02B2006/12121 ,  G02B2006/12161 ,  G02B2006/12176 ,  H01S5/021 ,  H01S5/0215 ,  H01S5/125 ,  H01S5/141

摘要： Provided is an optical device including a first optical waveguide on one side of a substrate; a laser separated from the first optical waveguide and disposed on the other side of the substrate; and a first coupled waveguide between the laser and the first optical waveguide. The laser may be monolithically integrated on the substrate.

摘要翻译： 提供一种光学器件，其包括在衬底的一侧上的第一光波导; 从所述第一光波导分离并设置在所述基板的另一侧的激光; 以及在所述激光器和所述第一光波导之间的第一耦合波导。 激光器可以整体地集成在基板上。

公开(公告)号：US20140105235A1

公开(公告)日：2014-04-17

申请号：US13776428

申请日：2013-02-25

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： In Gyoo KIM ,  Gyungock KIM ,  Sang Hoon KIM ,  Ki Seok JANG ,  JiHo JOO

IPC分类号： H01S5/30

CPC分类号： H01S5/3031 ,  G02B6/12004 ,  H01S5/021 ,  H01S5/026 ,  H01S5/0425 ,  H01S5/3223 ,  Y10S438/933

摘要： Provided are a semiconductor laser and a method of manufacturing the same. The method includes: providing a substrate including a buried oxide layer; forming patterns, which includes an opening part to expose the substrate, by etching the buried oxide layer; forming a germanium single crystal layer in the opening part; and forming an optical coupler, which is adjacent to the germanium single crystal layer, on the substrate.

摘要翻译： 提供半导体激光器及其制造方法。 该方法包括：提供包括掩埋氧化物层的衬底; 形成图案，其包括通过蚀刻所述掩埋氧化物层而露出所述衬底的开口部分; 在开口部分形成锗单晶层; 并在基片上形成与锗单晶层相邻的光耦合器。

公开(公告)号：US20140239160A1

公开(公告)日：2014-08-28

申请号：US14180917

申请日：2014-02-14

申请人： Electronics and Telecommunications Research Institute

发明人： JiHo JOO

IPC分类号： G01J1/44

CPC分类号： H05K3/4697 ,  G02B6/4279 ,  H01L23/13 ,  H01L24/48 ,  H01L2224/48137 ,  H01L2224/48227 ,  H01L2924/00014 ,  H01L2924/15153 ,  H01L2924/15787 ,  H05K1/0206 ,  H05K1/0243 ,  H05K1/0306 ,  H05K3/3431 ,  H05K2201/0191 ,  H05K2201/09845 ,  H05K2201/10121 ,  H05K2201/10189 ,  H05K2201/10272 ,  H05K2201/10287 ,  Y10T29/49117 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

摘要： Provided is a photoreceiver module. The module includes: a ceramic substrate formed by stacking a plurality of metallic layers and a plurality of ceramic layers; a high frequency transmission line formed on the ceramic substrate and configured to transmit a high frequency electrical signal; a photodetector mounted on the ceramic substrate and configured to convert the high frequency electronic signal; a power supply line supplying DC power to the photodetector; and a high frequency connector connected to the high frequency transmission line and configured to deliver the high frequency electrical signal to an outside. The photodetector is mounted on a stepped hole manufactured in the ceramic substrate, and a height of each contact point of the photodetector and the high frequency transmission line is corrected by the stepped hole.

摘要翻译： 提供了光接收器模块。 该模块包括：通过层叠多个金属层和多个陶瓷层而形成的陶瓷基板; 形成在所述陶瓷基板上并被配置为传输高频电信号的高频传输线; 安装在所述陶瓷基板上并被配置为转换所述高频电子信号的光检测器; 向所述光检测器供给直流电力的电源线; 以及高频连接器，其连接到高频传输线并且被配置为将高频电信号传送到外部。 光电检测器安装在陶瓷基板上制造的阶梯孔上，光电检测器和高频传输线的每个接触点的高度由阶梯孔校正。

公开(公告)号：US20140178069A1

公开(公告)日：2014-06-26

申请号：US13940212

申请日：2013-07-11

申请人： Electronics and Telecommunications Research Institute

发明人： Taeyong KIM ,  JiHo JOO ,  Gyungock KIM

IPC分类号： H04J14/02

CPC分类号： H04J14/0221 ,  G02B6/4249 ,  G02B6/4281

摘要： 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.

摘要翻译： 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。