公开(公告)号：US20140186043A1

公开(公告)日：2014-07-03

申请号：US13974842

申请日：2013-08-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kwang-Ok KIM ,  Sang-Soo LEE ,  Jong-Hyun Lee

IPC: H04B10/29

CPC classification number: H04B10/29 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282

Abstract: Provided are a passive optical network reach extender based on a wavelength tunable optical module and a method thereof. According to an embodiment of the invention, a passive optical network reach extender includes a first optical splitter configured to receive an optical signal from an optical line terminal and split the signal into optical signals having a multiplexed wavelength, a wavelength tunable remote relay configured to receive the optical signals split from the first optical splitter, and select and control an available wavelength for each port, a wavelength multiplexer configured to multiplex a wavelength of the optical signal output from the wavelength tunable remote relay, and a second optical splitter configured to split the optical signal multiplexed by the wavelength multiplexer into a plurality of optical network units.

Abstract translation: 提供了一种基于波长可调光学模块的无源光网络扩展器及其方法。 根据本发明的实施例，无源光网络扩展器包括：第一光分路器，被配置为从光线路终端接收光信号，并将信号分离成具有复用波长的光信号，波长可调远程继电器被配置为接收 所述光信号从所述第一光分路器分离，并且选择和控制每个端口的可用波长;波长多路复用器，被配置为复用从所述波长可调谐远程继电器输出的光信号的波长;以及第二分光器， 光信号由波长多路复用器复用成多个光网络单元。