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光纤中的孤子自频移效应

Soliton Self-Frequency Shift in Optical Fibers

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摘要

对单模光纤中的孤子自频移效应进行了数值仿真和实验研究, 分析和验证了光纤和孤子脉冲的各种参数对孤子自频移的影响。利用分步傅里叶方法进行数值仿真, 发现孤子频移量随孤子脉冲峰值功率与光纤非线性系数的增加而增加, 随孤子脉冲宽度以及光纤色散的增加而减小。对2 km单模光纤中的孤子自频移效应进行实验研究, 通过调节孤子峰值功率实现了5.44~26.64 nm的连续可调谐移频, 所得结果与数值仿真结果一致。研究表明, 通过灵活调节孤子脉冲和光纤的各个参数, 可以有效地调节孤子频移量, 这为孤子自频移的多种实际应用提供了指导。

Abstract

The soliton self-frequency shift in a single-mode optical fiber has been studied by numerical simulation and experiment, with emphasis on the influences of various parameters of optical fiber and soliton pulse on it. Firstly, with split-step Fourier method for numerical simulation, it has been found that the soliton self-frequency shift increases with the increase of soliton peak power and nonlinear coefficient of the transmission fiber, and decreases with the increase of soliton pulse width and group velocity dispersion. Secondly, the soliton self-frequency shift effect in a 2-km-long single-mode fiber has been experimentally studied. By adjusting the peak power of the soliton, continuously tunable self-frequency shift with central wavelength from 5.44 nm to 26.64 nm has been achieved. The experimental results are consistent with the numerical simulation results. It has been shown that by flexibly adjusting the parameters of soliton pulse and optical fiber, the soliton self-frequency shift can be effectively tuned, which provides guidance for many practical applications of soliton self-frequency shift in optical fibers.

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中图分类号:O437

DOI:10.3788/lop55.101902

所属栏目:非线性光学

基金项目:国家自然科学基金(61575143, 61377078)、江苏省自然科学基金(BK20141222)

收稿日期:2018-04-16

修改稿日期:2018-05-07

网络出版日期:2018-05-25

作者单位    点击查看

孔德飞:天津大学精密仪器与光电子工程学院, 光电信息技术科学教育部重点实验室, 天津 300072
贾东方:天津大学精密仪器与光电子工程学院, 光电信息技术科学教育部重点实验室, 天津 300072
冯德军:山东大学苏州研究院, 江苏 苏州 215123
王肇颖:天津大学精密仪器与光电子工程学院, 光电信息技术科学教育部重点实验室, 天津 300072
葛春风:天津大学精密仪器与光电子工程学院, 光电信息技术科学教育部重点实验室, 天津 300072
杨天新:天津大学精密仪器与光电子工程学院, 光电信息技术科学教育部重点实验室, 天津 300072

联系人作者:贾东方(jiadf@tju.edu.cn); 孔德飞(2016202042@tju.edu.cn);

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引用该论文

Kong Defei,Jia Dongfang,Feng Dejun,Wang Zhaoying,Ge Chunfeng,Yang Tianxin. Soliton Self-Frequency Shift in Optical Fibers[J]. Laser & Optoelectronics Progress, 2018, 55(10): 101902

孔德飞,贾东方,冯德军,王肇颖,葛春风,杨天新. 光纤中的孤子自频移效应[J]. 激光与光电子学进展, 2018, 55(10): 101902

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