首页> 外国专利> METHOD AND APPARATUS FOR MEASURING FREQUENCY-RESOLVED STATES OF POLARIZATION OF A WORKING OPTICAL CHANNEL USING POLARIZATION-SCRAMBLED HETERODYNING

METHOD AND APPARATUS FOR MEASURING FREQUENCY-RESOLVED STATES OF POLARIZATION OF A WORKING OPTICAL CHANNEL USING POLARIZATION-SCRAMBLED HETERODYNING

机译:极化极化杂化法测量工作光通道的极化态的方法和装置

摘要

An apparatus for measuring a set of frequency-resolved states of polarization (SOP) of an optical signal includes a local oscillator (LO), a polarization scrambler, a coupler for mixing the polarization-scrambled signal with the optical signal to produce a heterodyned signal with a radio frequency (RF) component, and an analyzer for passing a fixed polarization component and resolving the polarization and frequency from the RF component. The apparatus is used for measuring, monitoring or compensating the polarization mode dispersion (PMD) in a working channel of an optical telecommunication system. A method for measuring frequency-resolved SOP of an optical signal includes tuning and polarization-scrambling a local oscillator (LO), mixing the scrambled LO with the optical signal, and resolving the RF signal in frequency and polarization. The method is applied to measure and monitor PMD in a working optical channel, and to dynamically compensate for the PMD.
机译:一种用于测量光信号的偏振的频率分辨状态集的设备,包括:本地振荡器(LO),偏振加扰器,耦合器,用于将偏振加扰的信号与光信号混合以产生外差信号射频(RF)组件,以及一个分析器,用于通过固定的极化组件并从RF组件解析极化和频率。该设备用于测量,监视或补偿光通信系统的工作信道中的偏振模色散(PMD)。一种用于测量光信号的频率分辨的SOP的方法,包括:对本地振荡器(LO)进行调谐和偏振加扰,将加扰的LO与光信号混合,以及将RF信号分解为频率和偏振。该方法用于测量和监视工作光信道中的PMD,并动态补偿PMD。

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