从非线性薛定谔(NLS)方程出发,用数值方法研究了在自相似脉冲压缩技术中反常色散补偿光纤的群速度色散(GVD)参量和非线性参量对脉冲压缩效应的影响.结果表明,补偿光纤的GVD参量对压缩因子和脉冲峰值功率的影响是周期性的,随着GVD参量数值的增大,脉冲能量按集中-分散-集中的规律周期性变化,且变化周期逐渐增大,一周期内的能量转移加剧;每次能量集中时,脉宽接近压缩极限.最佳光纤长度随着GVD参量数值的增加而下降,但不受非线性参量的影响.另一方面,非线性参量的增大会降低压缩因子,不利于脉冲压缩.通过优化选择补偿光纤参数,能够接近脉宽压缩极限,提高脉冲压缩质量.
参考文献
| [1] | Barenblatt G I.Scaling,Self-similarity,and Intermediate Asymptotics[M].Cambridge:Cambridge University Press,1996. |
| [2] | Fermann M E,Kruglov V I,Thomsen B C,et al.Self-similar propagation and amplification of parabolic pulse in optical fibers[J].Phys.Rev.Lett.,2000,84(26):6010-6013. |
| [3] | Kruglov V I,Peacock A C,Harvey J D,et al.Self-similar propagation of parabolic pulses in normal-dispersion fiber amplifiers[J].J.Opt.Soc.Am.B,2002,19(3):461-469. |
| [4] | Finot C,Pitois S,Millot G.Regenerative 40 Gbit/s wavelength converter based on similariton generation[J].Opt.Lett.,2005,30:1776-1778. |
| [5] | Finot C,Millot G,Billet C,et al.Experimental generation of parabolic pulses via Raman amplification in optical fiber[J].Opt.Express,2003,(11):1547-1552. |
| [6] | Finot C,Millot G,et al.Asymptotic characteristics of parabolic similariton pulses in optical fiber amplifiers[J].Opt.Lett.,2004,29(21):2533-2535. |
| [7] | Finot C,Millot G.Synthesis of optical pulses by use of similaritous[J].Opt.Express,2004,(12):5104-5109. |
| [8] | Toshihiko H,Masataka N.Parabolic pulse generation by use of a dispersion-decreasing fiber with normal groupvelocity dispersion[J].Opt.Lett.,2004,29(5):498-500. |
| [9] | Feng Jie,Xu Wencheng,Zhang qiaofen,et al.Self-similar pulse evolution in optical fibers[J].Laser ＆ Optoelectronics Progress (激光与光电子学进展),2006,43(1):26-36 (in Chinese). |
| [10] | Fan Liming,Li Shiying,Wang Shijie,et al.Fiber-grating optical pulse compression[J].Acta Optica Sinica (光学学报),1991,11(5):385-389 (in Chinese). |
| [11] | Broderick N G R,Tavemer D,Richardson D J,et al.Optical pulse compression in fiber Bragg gratings[J].Phys.Rev.Lett.,1997,(79):4566-4569. |
| [12] | Yang Guangqiang,Song Jien,et al.Numerical simulation of the all-fiber compact compressor based on cascaded uniform fiber gratings[J].Chinese Journal of Quantum Electronics (量子电子学报),2005,22(2):282-285 (in Chinese). |
| [13] | Mollenauer L F,Stolen R H,Gordon J P.Extreme picoseconds pulse narrowing by means of soliton effect in single-mode optical fibers[J].Opt.Lett.,1983,8(5):189-291. |
| [14] | Zhao Chunmei,Yang xingyu.Effect of initial chirp on picosecond pulse compression in fibers with slowly decreasing dispersion[J].Chinese Journal of Quantum Electronics (量子电子学报),2005,22(3):464-467 (in Chinese). |
| [15] | Agrawl G P.Nonlinear Fiber Optics[M].New York:Academic Press,1995. |
| [16] | Zhang Qiaofen,Xu Wencheng,Feng Jie,et al.Propagation properties of self-similar pulse in a dispersiondecreasing fiber with normal group-velocity dispersion[J].Acta Photoniea Sinica (光子学报),2008,37(1):30-34 (in Chinese). |
| [17] | Wu Zalhua,Cao Wenhua.Dispersion-decreasing fiber and its applications[J].Laser ＆ Infrared (激光与红外),2004,34(6):408-411 (in Chinese). |
| [18] | Zhang Qiaofen.Generation of excellent self-similar pulse in a dispersion-decreasing fiber with normal groupvelocity dispersion[J].Laser ＆ Infrared (激光与红外),2008,38(1):59-62 (in Chinese). |
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