公开(公告)号：US20160233961A1

公开(公告)日：2016-08-11

申请号：US15016952

申请日：2016-02-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Joon Young HUH ,  Jong Hyun LEE ,  Joon Ki LEE ,  Sae Kyoung KANG ,  Jyung Chan LEE

IPC: H04B10/40 ,  H04B10/60 ,  H04L7/033 ,  H04B10/516 ,  H04L27/00 ,  H04L7/00

CPC classification number: H04B10/40 ,  H04B10/5161 ,  H04B10/541 ,  H04B10/60 ,  H04B10/69 ,  H04L7/0075 ,  H04L7/0331 ,  H04L7/0334 ,  H04L27/0008 ,  H04L27/0012 ,  H04L27/02 ,  H04L27/2067

Abstract: An optical transceiver of a flexible modulation format. The optical transceiver may include an optical transmitter to convert an electrical signal to an optical signal and transmit the optical signal, an optical receiver to receive and convert the optical signal to an electrical signal, s and a controller to set modulation formats of the optical transmitter and the optical receivers according to modulation format information.

Abstract translation: 一种灵活调制格式的光收发器。 光收发器可以包括光发射机，用于将电信号转换为光信号并传输光信号;光接收器，用于接收光信号并将其转换为电信号和控制器，以设置光发射机的调制格式 和光接收机根据调制格式信息。

公开(公告)号：US20160020868A1

公开(公告)日：2016-01-21

申请号：US14694224

申请日：2015-04-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jie Hyun LEE ,  Heuk PARK ,  Jyung Chan LEE ,  Sang Soo LEE

IPC: H04J14/02

CPC classification number: H04J14/0278 ,  H04B10/272 ,  H04J14/023 ,  H04J14/0241

Abstract: A tunable optical network unit (ONU) for a multi-wavelength passive optical network (MW PON) system and an operation method thereof are provided. The tunable ONU includes a cyclic tunable filter configured to have cyclic wavelength transmission properties that allow all wavelength channels of both a downstream signal and an upstream signal and to vary a wavelength to pass therethrough; a wavelength splitter configured to split an upstream signal wavelength band and a downstream signal wavelength band; a photodetector element configured to detect a downstream signal that is transmitted through the wavelength splitter, passing through the cyclic tunable filter which is aligned to a specific downstream signal wavelength channel; and a tunable transmitter configured to output to the wavelength transmitter an upstream signal of a wavelength channel that is determined based on an aligned downstream signal wavelength channel of the cyclic tunable filter.

Abstract translation: 提供了一种用于多波长无源光网络（MW PON）系统的可调谐光网络单元（ONU）及其操作方法。 可调谐ONU包括循环可调滤波器，其被配置为具有允许下行信号和上行信号的所有波长信道并且使波长变化通过的循环波长传输特性; 波长分离器，被配置为分离上游信号波长带和下游信号波长带; 光检测器元件，被配置为检测通过波长分离器传输的下行信号，通过与特定下行信号波长信道对准的循环可调滤波器; 以及可调谐发射器，被配置为向所述波长发射器输出基于所述循环可调滤波器的对准的下行信号波长信道确定的波长信道的上行信号。

公开(公告)号：US20150098479A1

公开(公告)日：2015-04-09

申请号：US14303890

申请日：2014-06-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jyung Chan LEE ,  Seung Il MYONG

IPC: H01S5/062 ,  H01S3/11

CPC classification number: H01S5/06216 ,  H04B10/524

Abstract: An optical pulse output apparatus and method for controlling a width and an intensity of an optical pulse are provided. The optical pulse output apparatus may include a laser driver to control an optical pulse output by a laser, based on a plurality of channel signals, and a channel delay unit to delay at least one of the plurality of channel signals.

Abstract translation: 提供了用于控制光脉冲的宽度和强度的光脉冲输出装置和方法。 光脉冲输出装置可以包括激光驱动器，用于基于多个信道信号来控制由激光器输出的光脉冲，以及信道延迟单元，用于延迟多个信道信号中的至少一个。

公开(公告)号：US20220247494A1

公开(公告)日：2022-08-04

申请号：US17507741

申请日：2021-10-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jyung Chan LEE

IPC: H04B10/43 ,  G02B6/12

Abstract: An optical transceiver may include an optical receptacle configured to input or output an optical signal, a first planar lightwave circuit through which the optical signal travels, an arrayed waveguide grating connected to the first planar lightwave circuit, and a first spot size converter connecting the optical receptacle and the first planar lightwave circuit.

公开(公告)号：US20220216920A1

公开(公告)日：2022-07-07

申请号：US17515871

申请日：2021-11-01

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jyung Chan LEE

IPC: H04B10/54 ,  H04B10/40 ,  H04B10/524

Abstract: A method and apparatus for generating a four-level pulse amplitude modulation (PAM-4) optical signal are disclosed. The method of generating a PAM-4 optical signal may include outputting a PAM-4 electrical signal, generating a PAM-4 optical signal based on the PAM-4 electrical signal, extracting feature information of the PAM-4 electrical signal from the PAM-4 electrical signal, and generating a control signal to control an operation of generating the PAM-4 electrical signal based on the feature information.

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：US20150323419A1

公开(公告)日：2015-11-12

申请号：US14682416

申请日：2015-04-09

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  TELACE, INC.

Inventor： Seung Il MYONG ,  Jyung Chan LEE ,  Hun Sik KANG ,  Won Kyoung LEE ,  Jin Hee HAN

IPC: G01M11/00

CPC classification number: G01M11/3145 ,  G01M11/31 ,  H04B10/071

Abstract: Provided is an apparatus and a method for partial monitoring of an optical fiber, wherein the optical fiber monitoring apparatus includes a monitoring light transmitter to continuously output a monitoring light to the optical fiber based on a number of measuring time sections generated by dividing an optical fiber monitoring time section, a monitoring light receiver to receive a monitoring light fed back from the optical fiber, measure a monitoring light received based on different measuring time sections for each monitoring light, and store a result of the measuring in a storage medium, and an optical fiber monitor to monitor a status of the optical fiber based on the result of the measuring stored in the storage medium.

Abstract translation: 本发明提供了一种用于部分监视光纤的装置和方法，其中，光纤监视装置包括：监视光发射机，其基于通过对光纤进行分割而产生的多个测量时间段，连续向光纤输出监视光 监视时间部分，用于接收从光纤反馈的监视光的监视光接收器，针对每个监视光，测量基于不同测量时间段接收到的监视光，并将测量结果存储在存储介质中，以及 光纤监视器，用于基于存储在存储介质中的测量结果监视光纤的状态。

公开(公告)号：US20150230330A1

公开(公告)日：2015-08-13

申请号：US14619521

申请日：2015-02-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jyung Chan LEE ,  Eun Gu LEE ,  Sil Gu MUN ,  Sang Soo LEE

IPC: H05K1/02 ,  H05K3/36

CPC classification number: H05K1/0219 ,  H01P5/028 ,  H05K1/025 ,  H05K2201/0919 ,  H05K2201/09727 ,  H05K2201/09845 ,  H05K2201/10242 ,  Y10T29/49126

Abstract: A board assembly for transmitting a high-speed signal and a method of manufacturing the same. The board assembly may include a submount board, a base board, and a contact member for a signal line. The submount board may include at least one first high-speed signal line formed on the surface thereof. The base board may include the submount board on one part of the upper surface thereof, and at least second high-speed signal line on the other part of the upper surface thereof, wherein the second high-speed signal lines corresponds to the first high-speed signal lines, respectively. The contact member for the signal line may be installed on the side of the submount board, and have an upper portion contacting the first high-speed signal line and a lower portion contacting the second high-speed signal line such that the first high-speed signal line contacts the second high-speed signal line.

Abstract translation: 用于发送高速信号的电路板组件及其制造方法。 板组件可以包括副安装板，基板和用于信号线的接触构件。 副安装板可以包括形成在其表面上的至少一个第一高速信号线。 基板可以在其上表面的一部分上包括副安装板，并且在其上表面的另一部分上包括至少第二高速信号线，其中第二高速信号线对应于第一高速信号线， 速度信号线。 用于信号线的接触构件可以安装在副安装板的侧面上，并且具有接触第一高速信号线的上部和接触第二高速信号线的下部，使得第一高速信号线 信号线接触第二条高速信号线。