Accurate modeling and nonlinearity compensation in the speed mode of a twisted string actuator
Sign Up to like & getrecommendations! Published in 2019 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2019.03.021
Abstract: Abstract A twisted string actuator (TSA) is an effective method that can change the rotational motion of a motor into a linear motion, as well as control the speed and stiffness of the actuator. In… read more here.
Keywords: nonlinearity compensation; speed; tsa; actuator ... See more keywords
Multi-Channel Cascadable Parametric Signal Processing for Wavelength Conversion and Nonlinearity Compensation
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DOI: 10.1109/jlt.2016.2604386
Abstract: The dissemination of the digital coherent technology has enabled the recent growth of information networks, which has obviated signal processing in the optical domain such as optical dispersion compensation. However, the further scaling of the… read more here.
Keywords: signal processing; nonlinearity compensation; multi channel; processing ... See more keywords
70.46 Tb/s Over 7,600 km and 71.65 Tb/s Over 6,970 km Transmission in C+L Band Using Coded Modulation With Hybrid Constellation Shaping and Nonlinearity Compensation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2017.2757281
Abstract: We demonstrate 70.46 Tb/s transmission over 7,600 km and 71.65 Tb/s transmission over 6,970 km with C+L band EDFAs using a multidimensional coded modulation format with hybrid probabilistic and geometric constellation shaping. The proposed format… read more here.
Keywords: transmission; compensation; nonlinearity compensation; coded modulation ... See more keywords
Joint PMD Tracking and Nonlinearity Compensation With Deep Neural Networks
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2023.3276373
Abstract: Overcoming fiber nonlinearity is one of the core challenges limiting the capacity of optical fiber communication systems. Machine learning based solutions such as learned digital backpropagation (LDBP) and the recently proposed deep convolutional recurrent neural… read more here.
Keywords: nonlinearity; compensation; nonlinearity compensation; model ... See more keywords
Deep Learning-Aided Perturbation Model-Based Fiber Nonlinearity Compensation
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2023.3279449
Abstract: Fiber nonlinearity effects cap achievable rates and ranges in long-haul optical fiber communication links. Conventional nonlinearity compensation methods, such as perturbation theory-based nonlinearity compensation (PB-NLC), attempt to compensate for the nonlinearity by approximating analytical solutions… read more here.
Keywords: learned nlc; nonlinearity compensation; perturbation; complexity ... See more keywords
Performance Analysis of a New Calibration Method for Fiber Nonlinearity Compensation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2018.2822698
Abstract: Digital signal processing for fiber nonlinearity compensation is a key enabler for the ever-increasing demand for higher data rates in coherent optical transmissions. A major challenge of existing techniques is that the fiber nonlinear coefficient… read more here.
Keywords: performance analysis; fiber nonlinearity; compensation; nonlinearity compensation ... See more keywords
Blind back-propagation method for fiber nonlinearity compensation with low computational complexity and high performance.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.387572
Abstract: In this paper, a blind back-propagation (BP) method for fiber nonlinearity compensation with low computational complexity and high performance is proposed. The BP method compensates the fiber chromatic dispersion step by step. Between two linear… read more here.
Keywords: nonlinearity compensation; computational complexity; method; fiber nonlinearity ... See more keywords