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 …

Statistical moments-based OSNR monitoring for coherent optical systems

C Zhu, AV Tran, S Chen, LB Du, CC Do, T Anderson… - Optics express, 2012 - opg.optica.org
We present a novel statistical moments-based method for optical signal-to-noise ratio
(OSNR) monitoring in polarization-multiplexed (pol-mux) coherent optical systems. This …

Modulation format identification based on received signal power distributions for digital coherent receivers

J Liu, Z Dong, K Zhong, APT Lau, C Lu, Y Lu - OFC 2014, 2014 - ieeexplore.ieee.org
We propose a modulation format identification technique based on extracting and identifying
specific features of received signal power distributions for digital coherent receivers …

In-band estimation of optical signal-to-noise ratio from equalized signals in digital coherent receivers

MS Faruk, Y Mori, K Kikuchi - IEEE Photonics Journal, 2014 - ieeexplore.ieee.org
We propose a novel method of in-band estimation of optical signal-to-noise ratio (OSNR)
using a digital coherent receiver, where OSNR is determined from second-and fourth-order …

Knowledge distillation technique enabled hardware efficient OSNR monitoring from directly detected PDM-QAM signals

J **ang, Y Cheng, S Chen, M **ang, Y Qin… - Journal of Optical …, 2022 - opg.optica.org
Deep neural network (DNN) enabled optical SNR (OSNR) monitoring is vital to facilitate the
management of agile optical networks. However, both the scale size and the implementation …

Data-aided OSNR estimation for QPSK and 16-QAM coherent optical system

C Do, AV Tran, C Zhu, D Hewitt… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
We propose an optical signal-to-noise ratio (OSNR) estimation technique using self-
equalized complementary Golay sequences for both QPSK and 16-QAM coherent optical …

Optical Performance Monitoring For Fiber‐Optic Communication Networks

FN Khan, Z Dong, C Lu, APT Lau - Enabling Technologies for …, 2016 - Wiley Online Library
Optical performance monitoring (OPM) is an enabling technology and a potential
mechanism for the control, management, and maintenance of existing and future high …

Artificial neural networks for fiber nonlinear noise estimation

AS Kashi, Q Zhuge, J Cartledge… - 2017 Asia …, 2017 - ieeexplore.ieee.org
Artificial Neural Networks for Fiber Nonlinear Noise Estimation Page 1 Artificial Neural
Networks for Fiber Nonlinear Noise Estimation Aazar Saadaat Kashi1, Qunbi Zhuge2,*, John …

Data-aided OSNR estimation using low-bandwidth coherent receivers

CC Do, C Zhu, AV Tran - IEEE Photonics Technology Letters, 2014 - ieeexplore.ieee.org
We propose an optical signal-to-noise ratio (OSNR) estimation technique using low-
bandwidth coherent receivers and Golay training sequences (TSs) for coherent optical …