公开(公告)号：US20020126351A1

公开(公告)日：2002-09-12

申请号：US10091010

申请日：2002-03-06

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yeun-Chol Chung ,  Keun-Ju Park ,  Hun Kim ,  Jun-Heang Lee ,  Chun-Ju Yun ,  Seung-Kyun Shin

IPC: H04J014/02 ,  H04B010/00

CPC classification number: H04B10/2513 ,  H04B10/077 ,  H04B10/07951 ,  H04B10/07955 ,  H04B10/2569

Abstract: An apparatus for monitoring polarization-mode dispersion and chromatic dispersion in optical networks in accordance with the present invention comprises; an optical distributor for distributing input optical signals, a first light receiver for photoelectrically converting the optical signals distributed by the distributor, a second light receiver for photoelectrically converting the optical signals to measure the average power of the optical signals distributed by the distributor, a filter for filtering output signals from the first light receiver, a power meter for measuring the frequency band of the optical signals filtered by the filter, an analog-to-digital (A/D) converter for converting the analog signals from the first and the second receivers into digital signals, a microprocessor for monitoring the polarization-mode dispersion and the chromatic dispersion of the optical signals by means of the digital signals from the A/D converter, and further a polarization scrambler in the optical signal sending-end.

Abstract translation: 根据本发明的用于监测光网络中的偏振模色散和色散的装置包括： 用于分配输入光信号的光分配器，用于对由分配器分配的光信号进行光电转换的第一光接收器，用于光电转换光信号以测量由分配器分配的光信号的平均功率的第二光接收器， 用于滤除来自第一光接收器的输出信号，用于测量由滤波器滤波的光信号的频带的功率计，用于将来自第一和第二信号的模拟信号转换的模拟（A / D）转换器 接收机转换为数字信号，微处理器用于通过来自A / D转换器的数字信号监视偏振模色散和光信号的色散，以及光信号发送端中的偏振加扰器。