公开(公告)号：US20130156424A1

公开(公告)日：2013-06-20

申请号：US13687741

申请日：2012-11-28

Applicant: Electronics and Telecommunications Research In

Inventor： Chun Ju YOUN ,  Joong-Seon Choe ,  Jong-Hoi Kim ,  Duk Jun Kim ,  Yong-Hwan Kwon ,  Eun Soo Nam

IPC: H04B10/08

CPC classification number: H04B10/614 ,  H04B10/0799

Abstract: An apparatus for measuring performance of a coherent optical receiver includes a beam splitter splitting light into first and second paths, a first optical modulator modulating the first path light, a variable optical attenuator controlling an optical power of the first optical modulator, a first polarization controller transmitting a signal controlling polarization of an output of the variable optical attenuator to the coherent optical receiver, a second optical modulator modulating the second path light, a variable optical delay line delaying time of an output of the second optical modulator, a second polarization controller transmitting a signal controlling polarization of an output of the variable optical delay line to the coherent optical receiver, a network analyzer measuring performance of the coherent optical receiver and controlling the optical modulators, and a controller transmitting a control signal to the optical modulators.

Abstract translation: 一种用于测量相干光接收机的性能的装置，包括将光分成第一和第二路径的光束分离器，调制第一路径光的第一光调制器，控制第一光调制器的光功率的可变光衰减器，第一偏振控制器 将所述可变光衰减器的输出的偏振信号控制到所述相干光接收器，调制所述第二路径光的第二光调制器，所述第二光调制器的输出的可变光延迟线延迟时间，第二偏振控制器发送 控制可变光延迟线到相干光接收机的输出的偏振的信号，测量相干光接收机的性能并控制光调制器的网络分析仪，以及向光调制器发送控制信号的控制器。