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Effect of birefringent disorder on the Bit Error Rate (BER) in an optical fiber telecommunication system subject to amplifier noise may lead to extreme outages, related to anomalously large values of BER. We analyze the Probability…

光学 · 物理学 2009-11-10 Vladimir Chernyak , Michael Chertkov , Igor Kolokolov , Vladimir Lebedev

Nonlinear signal distortions are one of the primary factors limiting the capacity and reach of optical transmission systems. Currently, several approaches exist for compensating nonlinear distortions, but for practical implementation,…

光学 · 物理学 2024-10-01 Alexey Redyuk , Evgeny Shevelev , Vitaly Danilko , Mikhail Fedoruk

As deep learning applications continue to deploy increasingly large artificial neural networks, the associated high energy demands are creating a need for alternative neuromorphic approaches. Optics and photonics are particularly compelling…

光学 · 物理学 2025-08-19 Nicola Dal Cin , Florian Marquardt , Clara C. Wanjura

As the advancements in the field of artificial intelligence and nonlinear optics continues new methods can be used to better describe and determine nonlinear optical phenomena. In this research we aimed to analyze the diffraction patterns…

数据分析、统计与概率 · 物理学 2023-02-17 Behnam Pishnamazi , Ehsan Koushki

Nonlinear diffusion is studied in the presence of multiplicative noise. The nonlinearity can be viewed as a ``wall'' limiting the motion of the diffusing field. A dynamic phase transition occurs when the system ``unbinds'' from the wall.…

统计力学 · 物理学 2009-10-30 M. A. Muñoz , T. Hwa

Machine learning techniques are now well established in experimental particle physics, allowing detector data to be analysed in new and unique ways. The identification of signals in particle observatories is an essential data processing…

仪器与探测器 · 物理学 2022-06-27 P. Brás , F. Neves , A. Lindote , A. Cottle , R. Cabrita , E. Lopez Asamar , G. Pereira , C. Silva , V. Solovov , M. I. Lopes

There is a tremendous need to maximize signal capacity without sacrificing energy consumption and complexity in optical fiber communications due to the rise of network traffic demand and critical latency-aware services such as telemedicine…

信号处理 · 电气工程与系统科学 2018-12-24 Elias Giacoumidis , Jinlong Wei , Ivan Aldaya , Christian Sanchez , Hichem Mrabet , Liam P. Barry

We use a supervised machine-learning model based on a neural network to predict the temporal and spectral intensity profiles of the pulses that form upon nonlinear propagation in optical fibers with both normal and anomalous second-order…

光学 · 物理学 2020-08-26 Sonia Boscolo , Christophe Finot

A neural-network-based approach is presented to efficiently implement digital backpropagation (DBP). For a 32x100 km fiber-optic link, the resulting "learned" DBP significantly reduces the complexity compared to conventional DBP…

信息论 · 计算机科学 2017-10-18 Christian Häger , Henry D. Pfister

We propose using a nonlinear phase shift interferometric converter (NPSIC) (a new device) for lumped compensation of the nonlinearity in optical fibers. The NPSIC is a nonlinear analog of the Mach-Zehnder interferometer and provides a way…

斑图形成与孤子 · 物理学 2009-11-07 I. R. Gabitov , P. M. Lushnikov

By exploiting a causality property of the nonlinear Fourier transform, a novel decision-feedback detection strategy for nonlinear frequency-division multiplexing (NFDM) systems is introduced. The performance of the proposed strategy is…

信息论 · 计算机科学 2018-04-30 Stella Civelli , Enrico Forestieri , Marco Secondini

Machine learning techniques help to understand patterns of a dataset to create a defense mechanism against cyber attacks. However, it is difficult to construct a theoretical model due to the imbalances in the dataset for discriminating…

机器学习 · 计算机科学 2019-12-11 Ibrahim Yilmaz , Rahat Masum

This work examines the multi-view compressive phase retrieval problem in a distributed sensor network, where each sensor device, limited by storage and sensing capabilities, can access only intensity measurements from an unknown part of the…

信息论 · 计算机科学 2025-06-02 Ming-Hsun Yang

The majority of computer vision algorithms fail to find higher-order (abstract) patterns in an image so are not robust against adversarial attacks, unlike human lateralized vision. Deep learning considers each input pixel in a homogeneous…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Abubakar Siddique , Will N. Browne , Gina M. Grimshaw

We report a technique for coherence transfer of laser light through a fiber link, where the optical phase noise induced by environmental perturbation via the fiber link is compensated by remote users with passive phase noise correction,…

光学 · 物理学 2020-07-30 Liang Hu , Xueyang Tian , Guiling Wu , Mengya Kong , Jianguo Shen , Jianping Chen

Signal propagation in an optical fiber can be described by the nonlinear Schr\"odinger equation (NLSE). The NLSE has no known closed-form solution, mostly due to the interaction of dispersion and nonlinearities. In this paper, we present a…

信号处理 · 电气工程与系统科学 2024-01-25 Vinícius Oliari , Erik Agrell , Gabriele Liga , Alex Alvarado

We consider the problem of identifying a pattern of faults from a set of noisy linear measurements. Unfortunately, maximum a posteriori probability estimation of the fault pattern is computationally intractable. To solve the fault…

信息论 · 计算机科学 2015-03-13 Danny Bickson , Dror Baron , Alex T. Ihler , Harel Avissar , Danny Dolev

Nonlinear effects in high-speed optical fiber systems fundamentally limit channel capacity. While traditional Digital Backward Propagation (DBP) with adaptive filters addresses these effects, its computational complexity remains…

信号处理 · 电气工程与系统科学 2025-06-11 Xinyu Xiao , Zhennan Zhou , Bin Dong , Dingjiong Ma , Li Zhou , Jie Sun

The effect of Kerr-induced optical fiber nonlinearities in C-band (5 THz) EDFA and C+L-band (12.5 THz) Raman-amplified optical communication systems has been studied considering the impact of third-order fiber dispersion. The performance of…

信号处理 · 电气工程与系统科学 2019-09-25 Nikita A. Shevchenko , Tianhua Xu , Cenqin Jin , Domaniç Lavery , Robert I. Killey , Polina Bayvel

In doubly selective channels, receiver windowing constitutes an effective technique for enhancing the banded structure of the frequency-domain channel matrix, and thus improving the effectiveness of a banded equalizer for intercarrier…

信息论 · 计算机科学 2016-09-19 Evangelos Vlachos , Kostas Berberidis