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Lee, E.-H.; Kim, K.H.; Lee, Hyung-Kun

doi:10.1023/a:1021390907826

Cited by 11 publications

(1 citation statement)

References 6 publications

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“…However, due to special requirements on fiber velocity, transmission capacity, interference immunity, security, and other aspects in the fields of communication and national defense, researchers have gradually shifted the focus of research to the nonlinear effects in optical fibers. [1][2][3][4][5][6][7] In addition, as the transmission distance increases, a larger channel transmission power is required to overcome fiber loss, which means that the channel sending power will lead to higher-order nonlinear effects in a system. At this time, the impact of higher-order nonlinear effects on the pulse transmission becomes assignable.…”

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confidence: 99%

Higher-Order Nonlinear Effects on Optical Soliton Propagation and Their Interactions

Yi 伊,

Li 李,

Zhang 张

et al. 2024

Chinese Phys. Lett.

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When pursuing femtosecond-scale ultrashort pulse optical communication, one cannot overlook higher-order nonlinear effects. Based on the fundamental theoretical model of the variable coefficient coupled high-order nonlinear Schrödinger equation (VCHNLSE), this paper explores the evolution of optical solitons in the presence of high-order nonlinear effects analytically. Besides, the interactions between two nearby optical solitons and the transmission of them in a nonuniform fiber are investigated. The stability of optical soliton transmission and interactions are found to be destroyed to varying degrees due to higher-order nonlinear effects. The outcomes will offer some theoretical references for achieving ultra-high energy optical solitons in the future.

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confidence: 99%

Higher-Order Nonlinear Effects on Optical Soliton Propagation and Their Interactions

Yi 伊,

Li 李,

Zhang 张

et al. 2024

Chinese Phys. Lett.

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Influence of nonlinear effects on 6.4 Tb/s dual polarization quadrature phase shift keying modulated dense wavelength division multiplexed system

Kassegne

Singh

Ouro-Djobo

et al. 2019

Int J Communication

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SummaryIn this paper, we have proposed a high‐performance transmission system of 32 channels based on dense wavelength division multiplexing (DWDM) through an optical fiber link consisting of 110 km per span. To check the influence of nonlinear effects, we have considered phase modulation (SPM), cross‐phase modulation (XPM), four‐wave mixing (FWM), stimulated Raman scattering (SRS), and self‐steepening (SS) which limits the performance of optical communication systems. In the proposed system, each channel is modulated at 200 Gbps of dual‐polarization quadrature phase shift keying (DP‐QPSK) format, with a 50‐GHz grid yield whole data rate of 6.4 Tbps. The results have proved that the nonlinear phenomena degrade the performance of proposed optical fiber communication systems, and XPM has the most dominant effect, followed by SS, SRS, and SPM. The simulation was carried out with Optisystem 14 which is powerful software for modeling and simulation of optical fiber transmission.

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Optical Fibers

Azadeh

2009

Optical Networks

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Cited by 11 publications

References 6 publications

Higher-Order Nonlinear Effects on Optical Soliton Propagation and Their Interactions

Higher-Order Nonlinear Effects on Optical Soliton Propagation and Their Interactions

Influence of nonlinear effects on 6.4 Tb/s dual polarization quadrature phase shift keying modulated dense wavelength division multiplexed system

Optical Fibers

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