Effect of Raman gain on the characteristic of soliton transmission in birefringence optical fiber

Hai-Long, Qiao; Jia, Weijuan; Wang, Xudong; Liu, Baolin; Menke, Neimule; Jun, Yang; Zhang, Junping

doi:10.7498/aps.63.094208

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…Let the nonlinear coefficient of electron and parallel Raman gain be defined as γ = 2πω 2 p χ RN xxxx /c 2 k p A P and g 0 (Ω ) = Im(16iπω 2 p χ R xxxx /c 2 k p A P ) respectively, then equation (3) will become [16][17][18][19][20][21][22][23] ∂ Q(z,t)…”

Section: Theoretic Modelmentioning

confidence: 99%

Evolution of dark solitons in the presence of Raman gain and self-steepening effect

Yu¹,

Jia²,

Qing³

et al. 2015

Chinese Phys. B

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Based on the equation satisfied by optical pulse that is a slowly varying function, the higher-order nonlinear Schrödinger equation (NLSE) including Raman gain and self-steepening effect is deduced in detail, and a new Raman gain function is defined. By using the split-step Fourier method, the influence of the combined effect between Raman gain and self-steepening on the propagation characteristic of dark solitons is simulated in the isotropic fiber. The results show that gray solitons can be symmetrically formed by high order dark soliton, however self-steepening effect will inhibit the formation mechanism through the phenomenon that gray solitons are produced only in the trailing edge of the central black soliton. Meanwhile, the Raman gain changes the propagation characteristic of optical soliton and inhibits the self-steepening effect, resulting in the broadening of pulse width and the decreasing of pulse offset.

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Section: Theoretic Modelmentioning

confidence: 99%

Evolution of dark solitons in the presence of Raman gain and self-steepening effect

Yu¹,

Jia²,

Qing³

et al. 2015

Chinese Phys. B

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show abstract

Influence of Raman scattering effect and self-steepening effect on the propagation characteristic of picosecond solitons

Yu¹,

Jia²,

Qing³

et al. 2015

Acta Phys. Sin.

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By solving the higher-order nonlinear Schrödinger equation (NLSE), including Raman gain and self-steepening effect, the influence of the combined effect of Raman gain and self-steepening on the propagation characteristic of soliton pulse is simulated by the software of MATLAB. Results show that self-steepening effect can produce temporal shifts of the soliton and also can lead to the breakup of higher-order solitons through the phenomenon of soliton fission. Meanwhile, the Raman gain changes the propagation characteristic of optical soliton and inhibits the self-steepening effect, resulting in the increase in pulse width, and the decrease in pulse offset. As a result, the required propagation distance for higher-order soliton decaying into fundamental solitons is increased under the condition of Raman gain.

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Effect of Raman gain on the characteristic of soliton transmission in birefringence optical fiber

Cited by 2 publications

References 13 publications

Evolution of dark solitons in the presence of Raman gain and self-steepening effect

Evolution of dark solitons in the presence of Raman gain and self-steepening effect

Influence of Raman scattering effect and self-steepening effect on the propagation characteristic of picosecond solitons

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