Soliton evolution and control in a two-mode fiber with two-photon absorption

doi:10.1088/1674-1056/ab5784

中国物理B ›› 2020, Vol. 29 ›› Issue (1): 14204-014204.doi: 10.1088/1674-1056/ab5784

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Soliton evolution and control in a two-mode fiber with two-photon absorption

Qianying Li(李倩颖)

Faculty of Engineering and Information Technology, The University of Sydney, Darlington NSW 2008, Sydney, Australia

收稿日期:2019-07-09 修回日期:2019-09-19 出版日期:2020-01-05 发布日期:2020-01-05
通讯作者: Qianying Li E-mail:qianyingli1995@163.com,qili6121@uni.sydney.edu.au

Soliton evolution and control in a two-mode fiber with two-photon absorption

Qianying Li(李倩颖)

Faculty of Engineering and Information Technology, The University of Sydney, Darlington NSW 2008, Sydney, Australia

Received:2019-07-09 Revised:2019-09-19 Online:2020-01-05 Published:2020-01-05
Contact: Qianying Li E-mail:qianyingli1995@163.com,qili6121@uni.sydney.edu.au

摘要/Abstract

摘要： Soliton dynamics are numerically investigated in a two-mode fiber with the two-photon absorption, and the effects of the two-photon absorption on the soliton propagation and interaction are demonstrated in different dispersion regimes. Soliton dynamics depend strictly on the sign and magnitude of the group velocity dispersion (GVD) coefficient of each mode and the strength (coefficient) of the two-photon absorption. The two-photon absorption leads to the soliton collapse, enhances the neighboring soliton interaction in both modes, and increases the energy exchange between the two modes. Finally, an available control is proposed to suppress the effects by the use of the nonlinear gain with filter.

关键词: soliton, two-mode fiber, two-photon absorption, nonlinear gain, filter

Abstract: Soliton dynamics are numerically investigated in a two-mode fiber with the two-photon absorption, and the effects of the two-photon absorption on the soliton propagation and interaction are demonstrated in different dispersion regimes. Soliton dynamics depend strictly on the sign and magnitude of the group velocity dispersion (GVD) coefficient of each mode and the strength (coefficient) of the two-photon absorption. The two-photon absorption leads to the soliton collapse, enhances the neighboring soliton interaction in both modes, and increases the energy exchange between the two modes. Finally, an available control is proposed to suppress the effects by the use of the nonlinear gain with filter.

Key words: soliton, two-mode fiber, two-photon absorption, nonlinear gain, filter

中图分类号: (Optical solitons; nonlinear guided waves)

42.65.Tg

42.79.Gn (Optical waveguides and couplers) 78.40.-q (Absorption and reflection spectra: visible and ultraviolet)

李倩颖. Soliton evolution and control in a two-mode fiber with two-photon absorption[J]. 中国物理B, 2020, 29(1): 14204-014204.

Qianying Li(李倩颖). Soliton evolution and control in a two-mode fiber with two-photon absorption[J]. Chin. Phys. B, 2020, 29(1): 14204-014204.

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Soliton evolution and control in a two-mode fiber with two-photon absorption

Soliton evolution and control in a two-mode fiber with two-photon absorption

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