公开(公告)号：US20140270811A1

公开(公告)日：2014-09-18

申请号：US13939317

申请日：2013-07-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Mi-Ran PARK ,  Hyun Soo Kim ,  Jong Sool Jeong ,  O-Kyun Kwon

IPC: H04B10/60

CPC classification number: H04B10/60 ,  G02B6/4214 ,  G02B6/4281 ,  H04B10/2504 ,  H04B10/40 ,  H04B10/50

Abstract: A multi-channel optical receiving module includes a first substrate disposed on a bench, optical fibers disposed in grooves of the first substrate, a first lens disposed on the first substrate and collimating optical signals through the optical fibers, a second substrate disposed on the bench at a side of the first substrate, a light receiving device disposed on the second substrate, a second lens disposed over the light receiving device, a mirror reflecting the optical signals between the first lens and the second lens, and a block fixing the mirror. The block includes through-holes transmitting the optical signals between the first and second lenses without refraction of the optical signals.

Abstract translation: 多通道光接收模块包括设置在工作台上的第一衬底，设置在第一衬底的凹槽中的光纤，设置在第一衬底上的第一透镜，以及通过光纤准直光信号;第二衬底，设置在台架上 在第一基板的一侧，设置在第二基板上的光接收装置，设置在光接收装置上的第二透镜，反射第一透镜和第二透镜之间的光信号的反射镜和固定反射镜的块。 该块包括在第一和第二透镜之间传输光信号而不折射光信号的通孔。

公开(公告)号：US20130209094A1

公开(公告)日：2013-08-15

申请号：US13739027

申请日：2013-01-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jong Sool JEONG ,  Hyun Soo KIM ,  Byungseok CHOI ,  Mi-Ran PARK ,  O-Kyun KWON

IPC: H04J14/02

CPC classification number: H04J14/0221 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0258 ,  H04J14/0265 ,  H04J14/0276 ,  H04J14/0282

Abstract: The present disclosure relates to an optical line terminal, the disclosure includes: an optical transmitter for generating a low speed downstream optical signal; a wavelength-multiplexer for wavelength-multiplexing the downstream optical signal; a first optical power branching tap coupler for allowing wavelength-multiplexed downstream optical signal to branch off; a wavelength band separator/coupler for separating between the wavelength-multiplexed downstream optical signal and a wavelength-multiplexed upstream optical signal; a circulation type wavelength-demultiplexer for wavelength-demultiplexing a downstream optical signal branched off by the first optical power branching tap coupler and an upstream optical signal separated by the wavelength band separator/coupler; an optical receiver for outputting a downstream electrical signal by using the wavelength-demultiplexed optical signal; and a signal processing module for controlling an optical power and a wavelength of the optical transmitter according to a strength of the downstream electrical signal.

Abstract translation: 本发明涉及一种光线路终端，其公开内容包括：用于产生低速下行光信号的光发射机; 用于波长多路复用下行光信号的波长多路复用器; 用于允许波长多路复用的下行光信号分支的第一光功率分支抽头耦合器; 用于在波长多路复用的下行光信号和波长多路复用的上行光信号之间分离的波长带分离器/耦合器; 用于对由第一光功率分支耦合器分支的下行光信号进行波长解复用的循环型波长解复用器和由波段分离器/耦合器分离的上游光信号; 光接收器，用于通过使用波长解复用的光信号输出下游电信号; 以及信号处理模块，用于根据下游电信号的强度来控制光发射机的光功率和波长。

公开(公告)号：US20150125159A1

公开(公告)日：2015-05-07

申请号：US14258699

申请日：2014-04-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Soo KIM ,  Dong-Hun LEE ,  Mi-Ran PARK ,  Byung-Seok CHOI ,  Kisoo KIM ,  O-Kyun KWON

IPC: H04B10/50 ,  H04B10/516

CPC classification number: H04B10/501 ,  H04B10/2587 ,  H04B10/272 ,  H04B10/516

Abstract: Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet.

Abstract translation: 提供了一种反射无色光发射机，其接收作为连续波的载波信号，并输出调制的光信号。 反射无色光发射机包括放大输入光信号以允许输入光信号具有增益的半导体光放大器（SOA），连接到SOA并输出调制光信号的光调制器，反映调制光的高反射面 来自光调制器的信号，以及连接到高反射面的布拉格反射镜，光调制器和SOA串联，其中由布拉格反射镜和高反射面形成布拉格谐振器。

公开(公告)号：US20140233945A1

公开(公告)日：2014-08-21

申请号：US14185351

申请日：2014-02-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jong Sool JEONG ,  Hyun Soo KIM ,  Mi-Ran PARK ,  Byung-Seok CHOI ,  O-Kyun KWON

IPC: H04J14/02 ,  H04B10/079

CPC classification number: H04J14/0221 ,  H04B10/506 ,  H04B10/564

Abstract: Provided is a wavelength division multiplexing (WDM) optical transmitting apparatus including first to n-th optical transmitters configured to output first to n-th optical signals having different wavelengths, respectively; a wavelength multiplexer configured to multiplex the first to n-th optical signals and generate an output optical signal; a tap coupler configured to receive the output optical signal and generate a controlling optical signal based on some of the output optical signal; a controlling photodetector configured to receive the controlling optical signal and output an optical current based on the controlling optical signal; and a controller configured to control each of the first to n-th optical transmitters based on the optical current, wherein the controller comprises a look-up table, sequentially detects driving conditions for the first to n-th optical transmitters, stores the detected driving conditions in the look-up table, and controls the first to n-th optical transmitters based on the detected driving conditions.

Abstract translation: 提供了一种波分复用（WDM）光发送装置，其包括分别输出具有不同波长的第一至第n光信号的第一至第n光发送器; 波长多路复用器，被配置为复用第一至第n光信号并产生输出光信号; 抽头耦合器，被配置为接收所述输出光信号并且基于所述输出光信号中的一些产生控制光信号; 控制光电检测器，被配置为基于所述控制光信号接收所述控制光信号并输出​​光电流; 以及控制器，其被配置为基于所述光电流来控制所述第一至第n光发送器中的每一个，其中所述控制器包括查找表，顺序地检测所述第一至第n光发送器的驱动条件，存储检测到的驱动 查找表中的条件，并且基于检测到的驾驶条件来控制第一至第n光发射机。

公开(公告)号：US20140206130A1

公开(公告)日：2014-07-24

申请号：US14220431

申请日：2014-03-20

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Mi-Ran PARK ,  O-Kyun KWON

IPC: H01L31/107 ,  H01L31/0216

CPC classification number: H01L31/107 ,  H01L31/02027 ,  H01L31/02161 ,  H01L31/184 ,  Y02E10/544

Abstract: Provided are an avalanche photodiode and a method of fabricating the same. The method of fabricating the avalanche photodiode includes sequentially forming a compound semiconductor absorption layer, a compound semiconductor grading layer, a charge sheet layer, a compound semiconductor amplification layer, a selective wet etch layer, and a p-type conductive layer on an n-type substrate through a metal organic chemical vapor deposition process.

Abstract translation: 提供了一种雪崩光电二极管及其制造方法。 制造雪崩光电二极管的方法包括：在n型半导体层上依次形成化合物半导体吸收层，化合物半导体分级层，电荷层，化合物半导体放大层，选择性湿蚀刻层和p型导电层。 通过金属有机化学气相沉积工艺形成衬底。