公开(公告)号：US20130209105A1

公开(公告)日：2013-08-15

申请号：US13674262

申请日：2012-11-12

Applicant: Electronics and Telecommunications Research In

Inventor： Jong Sool Jeong ,  Hyun Soo Kim ,  Mi-Ran Park ,  Byunseok Choi ,  O-Kyun Kwon

IPC: H04J14/02

CPC classification number: H04J14/0282 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0265

Abstract: Disclosed is a wavelength-shifted bidirectional WDM optical network including: an optical line terminal including an optical line terminal (OLT) including a first optical transmitter transmitting a downstream WDM optical signal, a first high-density wavelength multiplexer/demultiplexer wavelength-multiplexing the downstream WDM optical signal or wavelength-demultiplexing a wavelength-multiplexed upstream WDM optical signal, and a first optical receiver receiving the wavelength-demultiplexed upstream WDM optical signal; a remote node (RN) including a second high-density wavelength multiplexer/demultiplexer shifting a center wavelength of the upstream WDM optical signal and wavelength-multiplexing the upstream WDM optical signal with the shifted center wavelength or wavelength-demultiplexing the wavelength-multiplexed downstream WDM optical signal; and multiple optical network units (ONUs) each including a second optical transmitter transmitting the upstream WDM optical signal and second optical receiver receiving the wavelength-demultiplexed downstream WDM optical signal.

Abstract translation: 公开了一种波长偏移的双向WDM光网络，包括：光线路终端，包括包括发送下行WDM光信号的第一光发射机的光线路终端（OLT），第一高密度波长多路复用器/解复用器，波分复用下行 WDM光信号或波长多路分解波分复用上行WDM光信号，以及第一光接收器，接收波长解复用的上行WDM光信号; 远程节点（RN），包括第二高密度波长多路复用器/解复用器，用于移位上行WDM光信号的中心波长，并以移位的中心波长波长多路复用上行WDM光信号，或波长多路复用波分复用下游WDM 光信号; 以及多个光网络单元（ONU），每个光网络单元（ONU）包括发送上行WDM光信号的第二光发射机和接收波长解复用的下行WDM光信号的第二光接收机。

公开(公告)号：US20130243013A1

公开(公告)日：2013-09-19

申请号：US13676760

申请日：2012-11-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH IN

Inventor： Ki-Hong YOON ,  O-Kyun Kwon ,  Su Hwan Oh ,  Kisoo Kim ,  Byung-seok Choi ,  Hyun Soo Kim

IPC: H01S3/10

CPC classification number: H01S3/10 ,  H01S3/1055 ,  H01S5/0612 ,  H01S5/142 ,  H01S5/4006

Abstract: The present disclosure relates to a tunable laser module including a light gain area unit for outputting an optical signal; an optical distributor for separating the optical signal output from the light gain area unit; two comb reflection units for reflecting a part of optical signals separated by the optical distributor and allow a part of the optical signals to penetrate; two phase units for changing phases of the optical signals penetrating the two comb reflection units; an optical coupler for combining the optical signals of which the phases are changed by the two phase units; and an optical amplifier for amplifying the optical signal combined by the optical coupler, wherein the light gain area unit oscillates a laser by totally reflecting the optical signals reflected by the two comb reflection units.

Abstract translation: 本发明涉及一种包括用于输出光信号的光增益区单元的可调谐激光模块; 光分配器，用于分离从光增益区单元输出的光信号; 两个梳状反射单元，用于反射由光学分配器分离的光信号的一部分，并允许光信号的一部分穿透; 两相单元，用于改变穿过两个梳状反射单元的光信号的相位; 光耦合器，用于组合相位由两相单元改变的光信号; 以及光放大器，用于放大由光耦合器组合的光信号，其中光增益区单元通过全反射由两个梳状反射单元反射的光信号来振荡激光。