fiber communication papers
fiber non linearities
Limitations on lightwave communications imposed by optical-fiber nonlinearities
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Abstract:This paper describes optical nonlinearities in the context of lightwave systems limitations. The nature and severity of system degradation due to stimulated Raman scattering, carrier-induced phase noise, stimulated Brillouin scattering, and four-photon
RZ-DQPSK format with high spectral efficiency and high robustness towards fiber nonlinearities
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Abstract We propose a simple concept to implement a direct-detection DQPSK transmission to double the transmission rate. The robustness of RZ-DQPSK towards nonlinearities is investigated in a 8x80Gb/s WDM-system over 400km SSMF and compared to 8x40Gb/s
The Effects of Fiber Nonlinearities
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BACKGROUND In the early days of fiber optics, actually just a decade or two ago, optical fiber was simple. Everyone assumed that fiber had infinite bandwidth and would meet mankind's communication needs into the foreseeable future. As the need arose to send
Impact of polarizationmode dispersion and fiber nonlinearities on four-wave mixing efficiency
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Abstract The paper describes the impact of XPM and SPM on the FWM efficiency. Also the influence of PMD is evaluated. The accumulation of FWM along the spans is investigated for
Polarization and fiber nonlinearities
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Optical fibers are circular dielectric waveguides designed to confine optical waves inside a narrow core. They are ideal for the delivery of an optical wave over considerable distances and have found applications ranging from quantum optics [1]-[4], atomic and molecular
Digital signal processing for compensating fiber nonlinearities
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Abstract:Successful compensation of nonlinear distortions due to fiber Kerr nonlinearities relies on the availability of an accurate channel model. Some models obtained by approximate solutions of the nonlinear Schrödinger equation and the backpropagation
Effects of fiber nonlinearities in lightwave communication systems
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Performance limitations in 10 Gb/s ITU-T G. 653 fiber based all optical WDM system in presence of combined nonlinearities and ASE noise
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Abstract:In this paper we study the impact of combined nonlinear effects (ie stimulated Raman scattering (SRS) and four wave mixing (FWM)) and their interplay with amplified spontaneous emission (ASE) noise on the performance of all optical WDM network in
ANALYTICAL STUDY OF FIBER NONLINEARITIES IN LONG-HAUL DWDM OPTICAL TRANSMISSION SYSTEMS AT HIGH DATA RATE
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Abstract: Fiber nonlinearities are expected to impose a transmission limit due to the improved total interaction length in long-haul dense wavelength division multiplexing (DWDM) optical transmission systems. Analytical study of fiber nonlinearities in these
Enhanced Analysis for Fiber Nonlinearities
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Abstract For optical communication links using wavelength-division multiplexing over a long- haul fiber optic backbone, stimulated raman scattering may lead to significant transmission impairment. This paper discusses the enhanced analysis for the SRS induced crosstalk in
Multidimensional Optimization of Optical Spectral Shaping for Fiber Nonlinearities Mitigation in High Baud-Rate Systems
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Abstract We experimentally demonstrate a multidimensional global optical spectral shaping optimization based on genetic algorithm for fiber nonlinearities mitigation in a 56-GBd PDM- QPSK transmission system. The proposed method increased maximum reach by 24%,
All-Optical Analog-to-Digital and Digital-to-Analog Conversions Based on Fiber Nonlinearities
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Abstract-Fiber nonlinearities provide us attractive nonlinear functions for all-optical signal processing. In this paper, we review all-optical analog-to-digital and digital-to-analog conversion schemes based on fiber nonlinearities, including soliton phenomena,
Nonlinearities in fiber optics
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Index of refraction changes with the signal power: n= n1+ n2 P. This phenomena gives rise to different changes to the signal sent through the fiber which are called nonlinearity effects. With the use of EDFAs regeneration of signals was omitted so nonlinearity effects build up
Optical Nonlinearities in High Power Fiber Lasers and Phase-Sensitive Amplifiers–Novel Modelling Tools and Experiments
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Abstract My work consists of two main areas. Both focus on experimental and theoretical investigation of phenomena originating from optical nonlinearities in state-of-the-art devices: high power fiber lasers and amplifiers in the first part and phase-sensitive amplifiers for Fiber nonlinearities are mainly classified into two categories by Agrawal (1989). One is the stimulated scattering processes such as Raman scattering and Brillouin scattering. The other is the Kerr effect which originates from the third-order nonlinear susceptibility
Realization of a Photonic Switch in a Photonic Crystal Fiber using Kerr Nonlinearities
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ABSTRACT The realization of a novel concept of photonic switching using photonic crystal fiber is presented in this paper. With the introduction of Kerr nonlinearity into a photonic crystal fiber, the phenomenon of optical switching has got redefined. The proposed
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