154 citations · 372 across the 18 of their papers we have counts for
19 papers
Optical Network Digital Twin -- Practical Use Cases and Architecture
Hideki Nishizawa, Toru Mano, Kazuya Anazawa +17
With the widespread adoption of AI, machine-to-machine communications are rapidly increasing, reshaping the requirements for optical networks. Recent advances in Gaussian noise mod…
Introducing Combined Effects of Filtering and ASE Noise in Optical Links Supposing Different Equalization Algorithms
Enrico Miotto, Andrea Rosso, Emanuele Virgillito +5
This paper develops and validates a discrete-time modeling framework for the joint impact of cascaded optical filtering, distributed ASE noise, and transceiver noise in coherent op…
Semi-Automatic Line-System Provisioning with Integrated Physical-Parameter-Aware Methodology: Field Verification and Operational Feasibility
Hideki Nishizawa, Giacomo Borraccini, Takeo Sasai +17
We propose methods and an architecture to conduct measurements and optimize newly installed optical fiber line systems semi-automatically using integrated physics-aware technologie…
Accumulation of cross-channel non-linear interference in dispersion-managed and disaggregated optical network segment
Elliot London, Emanuele Virgillito, Andrea D'Amico +1
We evaluate the generation of the cross-channel interference (XCI) for coherent transmission through a variety of dispersion-managed segments in a disaggregated optical network fra…
Gain profile characterization and modelling for an accurate EDFA abstraction and control
Giacomo Borraccini, Vittorio Gatto, Andrea D'Amico +6
Relying on a two-measurement characterization phase, a gain profile model for dual-stage EDFAs is presented and validated in full spectral load condition. It precisely reproduces t…
Fast WDM provisioning with minimal probing: the first field experiments for DC exchanges
Hideki Nishizawa, Toru Mano, Thomas Ferreira De Lima +16
We propose an approach to estimate the end-to-end GSNR accurately in a short time when a data center interconnect (DCI) network operator receives a service request from users, not…
Introducing the Perturbative Solution of the Inter-Channel Stimulated Raman Scattering in Single-Mode Optical Fibers
Andrea D'Amico, Giacomo Borraccini, Vittorio Curri
The continuously increasing IP data traffic demand, with geometrical growth rate exceeding 26%, requires a large transmission capacity increment from the fiber optical infrastructu…
Experimental Demonstration of Partially Disaggregated Optical Network Control Using the Physical Layer Digital Twin
Giacomo Borraccini, Stefano Straullu, Alessio Giorgetti +9
Optical communications and networking are fast becoming the solution to support ever-increasing data traffic across all segments of the network, expanding from core/metro networks…
Analysis of the Coherent Contributions to Nonlinear Interference Generation within Disaggregated Optical Line Systems
Elliot London, Emanuele Virgillito, Andrea D'Amico +2
Through a physical layer simulation study we highlight that the coherent accumulation of nonlinear interference becomes non-negligible for optical networks operating within high sy…
Quality of Transmission Estimation for Network Planning: how to handle single-channel nonlinear effects?
Andrea D'Amico, Elliot London, Emanuele Virgillito +2
We propose an analytical method to evaluate the equivalent SPM component of the NLI generated by each fiber span, to enabling a fully disaggregated evaluation of the GSNR degradati…
Observing the Effect of Polarization Mode Dispersion on Nonlinear Interference Generation in Wide-Band Optical Links
Dario Pilori, Mattia Cantono, Alessio Ferrari +2
With the extension of the spectral exploitation of optical fibers beyond the C-band, accurate modeling and simulation of nonlinear interference (NLI) generation is of the utmost pe…
An ultra-fast method for gain and noise prediction of Raman amplifiers
Ann Margareth Rosa Brusin, Vittorio Curri, Darko Zibar +1
A machine learning method for prediction of Raman gain and noise spectra is presented: it guarantees high-accuracy (RMSE < 0.4 dB) and low computational complexity making it suitab…
Observing the Effects of Legacy 10G on 100G Channels in Dispersion Managed Optical Systems
Emanuele Virgillito, Andrea Castoldi, Stefano Straullu +3
We show that 10G channels generate both amplitude and phase noise on 100G channels. Amplitude noise can be managed as the ASE and NLI noise, while the DSP robustness to the phase n…
Machine learning-based Raman amplifier design
D. Zibar, A. Ferrari, V. Curri +1
A multi-layer neural network is employed to learn the mapping between Raman gain profile and pump powers and wavelengths. The learned model predicts with high-accuracy, low-latency…
Introducing the Generalized GN-model for Nonlinear Interference Generation including space/frequency variations of loss/gain
Mattia Cantono, Dario Pilori, Alessio Ferrari +1
We develop and present a generalization of the GN-model - the generalized Gaussian noise (GGN) model - to enabling a fair application of GN-model to predict generation of nonlinear…
Electronic Dispersion Pre-Compensation in PM-QPSK Systems over Mixed-Fiber Links
A. Carena, Y. Jiang, P. Poggiolini +3
Dispersion pre-compensation is shown to potentially lead to a substantial non-linearity reduction in PM-QPSK links that use a mixture of high and low dispersion fibers. However, th…
Impact of Low-OSNR Operation on the Performance of Advanced Coherent Optical Transmission Systems
P. Poggiolini, A. Carena, Y. Jiang +3
We find evidence that low-OSNR operation causes substantial penalty on system maximum reach due to non-linearity generated by ASE noise and due to signal-power conversion into non-…
A Simple and Effective Closed-Form GN-Model Correction Formula Accounting for Signal Non-Gaussian Distribution
P. Poggiolini, G. Bosco, A. Carena +3
The GN model of non-linear fiber propagation has been shown to overestimate the variance of non-linearity due to the signal Gaussianity approximation, leading to maximum reach pred…
A Detailed Analytical Derivation of the GN Model of Non-Linear Interference in Coherent Optical Transmission Systems
Pierluigi Poggiolini, Gabriella Bosco, Andrea Carena +3
Recently, a perturbative model of non-linear fiber propagation in uncompensated optical transmission systems has been proposed, called GN-model [1]. Here, an extended and more deta…