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Optical communication systems are always evolving to support the need for ever-increasing transmission rates. This demand is supported by the growth in complexity of communication systems which are moving towards ultra-wideband transmission…

A machine learning framework predicting pump powers and noise figure profile for a target distributed Raman amplifier gain profile is experimentally demonstrated. We employ a single-layer neural network to learn the mapping from the gain…

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 and low-complexity the pumping setup for any gain profile.

Applied Physics · Physics 2018-11-27 D. Zibar , A. Ferrari , V. Curri , A. Carena

We experimentally validate a machine learning-enabled Raman amplification framework, capable of jointly shaping the signal power evolution in two domains: frequency and fiber distance. The proposed experiment addresses the amplification in…

Machine Learning · Computer Science 2022-06-16 Mehran Soltani , Francesco Da Ros , Andrea Carena , Darko Zibar

We experimentally validate a real-time machine learning framework, capable of controlling the pump power values of Raman amplifiers to shape the signal power evolution in two-dimensions (2D): frequency and fiber distance. In our setup,…

Emerging Technologies · Computer Science 2022-12-14 Mehran Soltani , Francesco Da Ros , Andrea Carena , Darko Zibar

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 suitable for real-time implementation in future optical networks…

Signal Processing · Electrical Eng. & Systems 2019-05-03 Ann Margareth Rosa Brusin , Vittorio Curri , Darko Zibar , Andrea Carena

The problem of Raman amplifier optimization is studied. A differentiable interpolation function is obtained for the Raman gain coefficient using machine learning (ML), which allows for the gradient descent optimization of…

Signal Processing · Electrical Eng. & Systems 2022-06-16 Metodi Plamenov Yankov , Francesco Da Ros , Uiara Celine de Moura , Andrea Carena , Darko Zibar

Cascades of a machine learning-based EDFA gain model trained on a single physical device and a fully differentiable stimulated Raman scattering fiber model are used to predict and optimize the power profile at the output of an experimental…

Signal Processing · Electrical Eng. & Systems 2020-09-14 Metodi P. Yankov , Uiara Celine de Moura , Francesco Da Ros

Optical communication systems, operating in C-band, are reaching their theoretically achievable capacity limits. An attractive and economically viable solution to satisfy the future data rate demands is to employ the transmission across the…

We present a Convolutional Neural Network (CNN) architecture for inverse Raman amplifier design. This model aims at finding the pump powers and wavelengths required for a target signal power evolution, both in distance along the fiber and…

Signal Processing · Electrical Eng. & Systems 2021-03-08 Mehran Soltani , Francesco Da Ros , Andrea Carena , Darko Zibar

The theoretical description of a Raman amplifier based on the vector model of randomly birefringent fibers is proposed and applied to the characterization of Raman polarizers. The Raman polarizer is a special type of Raman amplifier with…

With the advent of millimeter wave (mmWave) communications, the combination of a detailed 5G network simulator with an accurate antenna radiation model is required to analyze the realistic performance of complex cellular scenarios. However,…

Networking and Internet Architecture · Computer Science 2021-01-29 Mattia Lecci , Paolo Testolina , Mattia Rebato , Alberto Testolin , Michele Zorzi

This study, conducted in 2017, explores the use of Machine learning algorithms to predict Characteristics of Transmission Lines such as Impedance or resonance frequency using design parameters of Transmission Lines. Using formulas and…

Signal Processing · Electrical Eng. & Systems 2024-06-10 Bharath Balaji , S. Raghavan

We propose a n input parameter refinement scheme for the physics-based Raman amplifier model. Experiments over C+L band are conducted. Results show the scheme can lower the physical model's maximum estimation error by 2.13 dB.

Optics · Physics 2024-05-31 Yihao Zhang , Xiaomin Liu , Qizhi Qiu , Yichen Liu , Lilin Yi , Weisheng Hu , Qunbi Zhuge

A dynamic and flexible generalized spatial modulation (GSM) framework is proposed for massive MIMO systems. Our framework is leveraged on the utilization of machine learning methods for GSM in order to improve the error performance in…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Selen Gecgel , Caner Goztepe , Gunes Karabulut Kurt

We present a machine learning (ML) framework for designing desired signal power profiles over the spectral and spatial domains in the fiber span. The proposed framework adjusts the Raman pump power values to obtain the desired…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Mehran Soltani , Francesco Da Ros , Andrea Carena , Darko Zibar

Parametric amplification is an interesting way of artificially increasing a MEMS Quality factor and could be helpful in many kinds of applications. This paper presents a theoretical study of this principle, based on Matlab/Simulink…

Other Computer Science · Computer Science 2008-02-22 L. Grasser , H. Mathias , F. Parrain , X. Le Roux , J. -P. Gilles

Machine learning has enabled significant benefits in diverse fields, but, with a few exceptions, has had limited impact on computer architecture. Recent work, however, has explored broader applicability for design, optimization, and…

Hardware Architecture · Computer Science 2019-09-30 Drew D. Penney , Lizhong Chen

Designing functional materials requires a deep search through multidimensional spaces for system parameters that yield desirable material properties. For cases where conventional parameter sweeps or trial-and-error sampling are impractical,…

Materials Science · Physics 2022-03-22 Sanket Kadulkar , Zachary M. Sherman , Venkat Ganesan , Thomas M. Truskett

Optimal designs are usually model-dependent and likely to be sub-optimal if the postulated model is not correctly specified. In practice, it is common that a researcher has a list of candidate models at hand and a design has to be found…

Statistics Theory · Mathematics 2023-03-29 Mingyao Ai , Holger Dette , Zhengfu Liu , Jun Yu
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