公开(公告)号：US20170070293A1

公开(公告)日：2017-03-09

申请号：US15218240

申请日：2016-07-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sun Hyok CHANG ,  Kwang Joon KIM ,  Hyun Jae LEE ,  Chan Gyo HAN

IPC: H04B10/27 ,  H04J14/08 ,  H04B10/25

CPC classification number: H04B10/27 ,  H04B10/25 ,  H04B10/2504 ,  H04B10/2581 ,  H04B10/2587 ,  H04B10/272 ,  H04J14/04 ,  H04J14/08

Abstract: A Mode Division Multiplexed Passive Optical Network (MDM-PON) apparatus includes: a non-mode selective multiplexer which includes a first end where three or more single-mode optical fibers are spaced apart from each other by a predetermined distance, and a second end where cores of the three or more single-mode optical fibers are tapered such that a gap between the three or more single-mode optical fibers is narrower than the predetermined distance while the three or more single-mode optical fibers are spaced apart from each other by an equal distance; an optical line terminal (OLT) which is connected to the second end through a few-mode fiber, and transmits a downstream optical signal; and three or more optical network units (ONUs) which is connected to the first end through the three or more single-mode optical fibers, and transmits upstream optical signals.

Abstract translation: 模分复用无源光网络（MDM-PON）装置包括：非模选择多路复用器，其包括第一端，其中三个或更多个单模光纤彼此间隔开预定距离，第二端 其中三个或更多个单模光纤的芯是锥形的，使得三个或更多个单模光纤之间的间隙比预定距离窄，而三个或更多个单模光纤彼此间隔开 距离相等; 光线路终端（OLT），其通过多模光纤连接到第二端，并发送下行光信号; 以及通过三根以上的单模光纤连接到第一端的三个以上的光网络单元（ONU），并发送上行的光信号。

公开(公告)号：US20140294394A1

公开(公告)日：2014-10-02

申请号：US14080349

申请日：2013-11-14

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Jae LEE ,  Bheom Soon JOO

IPC: H04J14/02

CPC classification number: H04J14/0239 ,  H04J14/0213

Abstract: An optical communication apparatus and an optical communication method are disclosed. An optical communication apparatus mounted in a first node in a linear network coupled among a plurality nodes through an optical transmission line includes a multiplexer for receiving a plurality of optical signals having different wavelengths to output a first multi-wavelength optical signal obtained by coupling the plurality of optical signals, and a first optical coupler for dividing the first multi-wavelength optical signal into respective multi-wavelength optical signals to be transmitted to at least two different neighboring nodes.

Abstract translation: 公开了一种光通信装置和光通信方法。 安装在通过光传输线路耦合在多个节点之间的线性网络中的第一节点中的光通信装置包括多路复用器，用于接收具有不同波长的多个光信号，以输出通过将多个 以及第一光耦合器，用于将第一多波长光信号划分为要传输到至少两个不同相邻节点的相应的多波长光信号。

公开(公告)号：US20150131992A1

公开(公告)日：2015-05-14

申请号：US14307746

申请日：2014-06-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyun Jae LEE ,  Bheom Soon JOO

IPC: H04B10/275 ,  H04J14/02 ,  H04Q11/00

CPC classification number: H04B10/275 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/021 ,  H04J14/0213 ,  H04J14/0283 ,  H04J14/029 ,  H04J14/0294 ,  H04Q11/0005 ,  H04Q2011/0009 ,  H04Q2011/0047 ,  H04Q2011/0092

Abstract: A method and apparatus for optical signal control using a filter in a multicasting ring network node and protection switching in an optical multiplex section is disclosed, in which a multicasting ring network node extracts or passes a wavelength from a node requiring optical signal wavelength extraction, transmits the passed optical signal to a neighboring node through control as necessary, and readily performs protection switching on an optical multiplex section signal.

Abstract translation: 公开了一种使用组播环网节点中的滤波器进行光信号控制的方法和装置，以及光复用部分中的保护倒换，其中组播环网节点从需要光信号波长提取的节点提取或传递波长， 根据需要通过控制将通过的光信号传送到相邻节点，并且容易地对光复用部分信号执行保护切换。