A Fourier transform unit (111) performs Fourier transform on a digital signal on a time axis to
generate a frequency domain signal which is a signal on a frequency axis. A filter unit (113) …

摘要针对长距离相干光纤通信系统, 提出了一种超大色散(CD) 监测范围的两级自适应高精度
色散估计算法. 该算法利用信号功率自相关波形(ACSPW) 函数作为粗估计 …

针对下一代动态光网络, 光纤长度可能根据链路需要随时变化, 以及由于光纤老化造成色散参量
变化等因素可能造成链路中的色散值在接收端很难提前预知, 因此要求未来光网络节点中的接收 …

In this paper, we investigate the phase noise elimination employing an optical pilot carrier in
the high speed coherent transmission system considering the equalization enhanced phase …

In this chapter the basic concepts of fiber optical transmission systems are explained. The
chapter starts with the presentation of the generic setup of a wavelength division …

A transmissão de sinais com multiplexação por divisão espacial (space-division
multiplexing-SDM) acoplada está sujeita ao acoplamento aleatório de potência, requerendo …

High bit rates optical communication systems pose the challenge of their tolerance to linear
and nonlinear fiber impairments. Digital filters in coherent optical receivers can be used to …

We propose an accurate and nondata-aided chromatic dispersion (CD) estimation method
involving the use of the cross-correlation function of two heterodyne detection signals for …

We report on a successful experimental demonstration of a digital optical performance
monitoring (OPM) yielding satisfactory estimation accuracy along with adaptive impairment …

Mode-multiplexed coherent optical systems emerge as an alternative to overcome the
capacity limits of current optical communication systems. As in single-mode systems, mode …