公开(公告)号：US20210135767A1

公开(公告)日：2021-05-06

申请号：US17087015

申请日：2020-11-02

Applicant: Electronics and Telecommunications Research Institute ,  Neonphotonics Co., Ltd.

Inventor： Jyung Chan LEE ,  Eun-Gu LEE

IPC: H04B10/69 ,  H04B10/40

Abstract: Disclosed are an impedance correcting method and apparatus, and an impedance-corrected signal line for an optical transceiver. The impedance correction method includes receiving an impedance according to an error of a resin applying process of a signal line for an optical transceiver, acquiring a correction parameter for generating a correction impedance based on the impedance according to the error, and determining the correction impedance for correcting the impedance according to the error based on the correction parameter.

公开(公告)号：US20140133502A1

公开(公告)日：2014-05-15

申请号：US14077863

申请日：2013-11-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jyung-Chan LEE ,  Eun-Gu LEE ,  Sil-Gu MUN ,  Eui-Suk JUNG ,  Sang-Soo LEE

IPC: H01S5/06

CPC classification number: H01S5/0612 ,  H01S5/042 ,  H01S5/4087 ,  H04B10/506

Abstract: A wavelength-tunable optical transmission apparatus including an optical array unit comprising a plurality of light sources whose wavelengths are changed, an optical driving unit configured to receive an electrical signal transmitted from an external circuit, generate the current and input the generated current to the optical array unit, and a control unit configured to control the magnitude of current input to the optical array unit by controlling the optical driving unit.

Abstract translation: 一种波长可调光传输装置，包括包括波长改变的多个光源的光学阵列单元，被配置为接收从外部电路发送的电信号的光学驱动单元，产生电流并将所产生的电流输入到光学 阵列单元和控制单元，被配置为通过控制光学驱动单元来控制输入到光学阵列单元的电流的大小。

公开(公告)号：US20140186042A1

公开(公告)日：2014-07-03

申请号：US13964569

申请日：2013-08-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sil-Gu MUN ,  Eun-Gu LEE ,  Eui-Suk JUNG ,  Sang-Soo LEE

IPC: H04B10/60

CPC classification number: H04B10/60 ,  H04B10/07957

Abstract: Provided are an optical receiver having a wavelength recognition function, and a device and method for recognizing wavelengths using the same. The optical receiver according to an embodiment of the invention includes a splitter configured to split light intensity of input optical signals, a first receiver configured to photoelectrically convert the optical signals split using the splitter, a filter having different pass band characteristics based on wavelengths of the optical signals split using the splitter, a second receiver configured to photoelectrically convert the optical signals passing through the filter, and a comparator configured to compare the optical signals respectively, photoelectrically converted by the first and second receivers and recognize wavelengths of the input optical signals.

Abstract translation: 提供具有波长识别功能的光接收机，以及用于识别使用其的波长的设备和方法。 根据本发明的实施例的光接收机包括分配器，其被配置为分离输入光信号的光强度;第一接收器，被配置为对使用分离器分割的光信号进行光电转换，具有不同通带特性的滤波器基于 使用分离器分割的光信号，被配置为对通过滤光器的光信号进行光电转换的第二接收器和配置成比较由第一和第二接收器进行光电转换并识别输入光信号的波长的光信号的比较器。

公开(公告)号：US20140233954A1

公开(公告)日：2014-08-21

申请号：US14186755

申请日：2014-02-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Han-Hyub LEE ,  Eun-Gu LEE ,  Sang-Soo LEE

IPC: H04J14/02 ,  H04B10/272

CPC classification number: H04J14/025 ,  H04J14/0246 ,  H04J14/0273

Abstract: Provided is a method of establishing a link between service provider equipment and subscriber equipment in a multi-wavelength passive optical network system. The method of establishing a link includes acquiring information about a wavelength plan of allocated wavelengths in the MW PON system; transmitting a first signal wavelength initialization request signal on a first upstream wavelength from physical layer to the service provider equipment; waiting for a response from the service provider equipment for a predetermined time interval after transmitting the first signal wavelength initialization request signal; and in response to failing to receive a response to the first signal-wavelength initialization request signal within the predetermined time interval, transmitting a second signal wavelength initialization request signal on a second upstream wavelength to the service provider equipment after the waiting.

Abstract translation: 提供了一种在多波长无源光网络系统中建立服务提供商设备和用户设备之间的链路的方法。 建立链路的方法包括获取关于MW PON系统中分配的波长的波长计划的信息; 将第一上行波长的第一信号波长初始化请求信号从物理层传送到服务提供商设备; 在发送第一信号波长初始化请求信号之后，等待来自服务提供商设备的预定时间间隔的响应; 并且响应于在所述预定时间间隔内未能接收到对所述第一信号波长初始化请求信号的响应，在所述等待之后向所述服务提供商设备发送第二上行波长的第二信号波长初始化请求信号。

公开(公告)号：US20140153933A1

公开(公告)日：2014-06-05

申请号：US14094113

申请日：2013-12-02

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Eun-Gu LEE ,  Eui-Suk JUNG ,  Sil-Gu MUN ,  Han-Hyub LEE ,  Jyung-Chan LEE ,  Sang-Soo LEE ,  Jong-Hyun LEE

IPC: H04B10/50

CPC classification number: H01S5/02272 ,  H01S5/0212 ,  H01S5/02212 ,  H01S5/02276 ,  H01S5/02415 ,  H01S5/0261 ,  H01S5/0425 ,  H01S5/06804 ,  H01S5/4025

Abstract: A multi-channel transmitter optical sub-assembly (TOSA) is provided. The multi-channel TOSA includes a stem including a sub-mount, a plurality of light sources mounted on the sub-mount, a common ground pad disposed at the sub-mount and connected to ground electrodes of the light sources in common, a common lead pin installed at the stem, and connected to the common ground pad, and a thermistor mounted on the sub-mount along with the light sources.

Abstract translation: 提供多通道发射机光学子组件（TOSA）。 多通道TOSA包括一个杆，它包括一个副安装座，多个安装在子座上的光源，一个共同的接地焊盘，设置在子座上并共同连接到光源的接地电极，一个共同的 引脚安装在杆上，并连接到公共接地垫，以及与光源一起安装在子安装座上的热敏电阻。

公开(公告)号：US20140147118A1

公开(公告)日：2014-05-29

申请号：US14086498

申请日：2013-11-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jyung-Chan LEE ,  Eun-Gu LEE ,  Sil-Gu MUN ,  Eui-Suk JUNG ,  Sang-Soo LEE

IPC: H04J14/02 ,  H04B10/40

CPC classification number: H04J14/025 ,  H04B10/40 ,  H04J14/0282

Abstract: There is provided an optical transceiver apparatus including an optical transmitter configured to transmit light of variable wavelength, an optical receiver configured to receive light generated from an opposite light source, and a controller configured to perform initialization to a wavelength corresponding to when an intensity of light received by the optical receiver is greater than or equal to a reference power, while varying the wavelength of light output by the optical transmitter.

Abstract translation: 提供了一种光收发器装置，包括：配置成透射可变波长的光的光发送器;被配置为接收从相对光源产生的光的光接收器;以及控制器，被配置为执行初始化到与光强度相对应的波长 由光接收器接收的光束大于或等于参考光功率，同时改变由光发射器输出的光的波长。