Optical performance monitoring: A review of current and future technologies

Z Dong, FN Khan, Q Sui, K Zhong… - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
Optical performance monitoring (OPM) is the estimation and acquisition of different physical
parameters of transmitted signals and various components of an optical network. OPM …

Measurement informed models and digital twins for optical fiber communication systems

MS Faruk, SJ Savory - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
Digital coherent transceivers have developed to the stage that they can monitor the physical
state of an optical network and thus are capable of generating data to build measurement …

Anatomy of a digital coherent receiver

R Borkowski, D Zibar, IT Monroy - IEICE Transactions on …, 2014 - search.ieice.org
Digital coherent receivers have gained significant attention in the last decade. The reason
for this is that coherent detection, along with digital signal processing (DSP) allows for …

Fast and robust chromatic dispersion estimation based on temporal auto-correlation after digital spectrum superposition

S Yao, TA Eriksson, S Fu, P Johannisson… - Optics express, 2015 - opg.optica.org
We investigate and experimentally demonstrate a fast and robust chromatic dispersion (CD)
estimation method based on temporal auto-correlation after digital spectrum superposition …

Low-Complexity and Highly-Robust Chromatic Dispersion Estimation for Faster-than-Nyquist Coherent Optical Systems

T Yang, Y Jiang, Y Wang, J You, L Wang, X Chen - Photonics, 2022 - mdpi.com
Faster-than-Nyquist (FTN) coherent optical transmission technology is considered to be an
outstanding solution to achieve higher spectral efficiency (SE), larger capacity, and greater …

Optical performance monitoring in DSP-based coherent optical systems

Z Dong, Q Sui, APT Lau, K Zhong, L Li… - Optical Fiber …, 2015 - opg.optica.org
Optical Performance Monitoring in DSP-based Coherent Optical Systems Page 1 W4D.1.pdf
OFC 2015 © OSA 2015 Optical Performance Monitoring in DSP-based Coherent Optical …

Fast and adaptive chromatic dispersion compensation scheme for digital coherent systems utilizing two-stage estimation

L Jiang, L Yan, A Yi, Z Chen, Y Pan, W Pan, B Luo… - Optics …, 2015 - opg.optica.org
A two-stage fast and adaptive chromatic dispersion (CD) estimation algorithm is proposed
and demonstrated for coherent polarization-division-multiplexed (PDM) systems. The first …

Chromatic dispersion estimation for digital coherent optical receivers

M Zamani, Z Zhang, C Li - US Patent 9,800,348, 2017 - Google Patents
An apparatus comprises a front end configured to receive an optical signal, and convert the
optical signal into a plurality of digital signals, and a processing unit coupled to the front end …

[PDF][PDF] 偏振复用相干光纤通信系统中的自适应色散监测

蒋林, 闫连山, 易安林, 陈智宇, 盘艳, 潘炜, 罗斌 - 光学学报, 2014 - researching.cn
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 …

[HTML][HTML] Experimental demonstration of the maximum likelihood-based chromatic dispersion estimator for coherent receivers

R Borkowski, P Johannisson, H Wymeersch… - Optical Fiber …, 2014 - Elsevier
We perform an experimental investigation of a maximum likelihood-based (ML-based)
algorithm for bulk chromatic dispersion estimation for digital coherent receivers operating in …