应用光学, 2007, 28 (5): 0608, 网络出版: 2010-06-03  

光纤通信中有色散影响的受激喇曼散射信道特性研究

Channel characteristics of stimulated Raman scattering with dispersion effect in optical fiber communication system
作者单位
西安邮电学院 通信工程系,陕西 西安 710061
摘要
提出了在波分复用光纤通信系统中,考虑光纤色散“走离”时受激喇曼散射(SRS)信道的新模型,给出了计算中距离步长的选取公式。根据该模型,数值计算了各信道在随机数字序列调制下和在受激喇曼散射(SRS)非线性效应作用下经过有色散“走离”的波分复用光纤系统的传输功率。得出光纤色散会降低SRS效应引起的输出功率波动的结论,画出了在SRS效应作用下输出功率标准差随色散系数变化的曲线,并对产生该现象的机理进行了定性分析。该模型适合于任意光纤色散、任意输入功率和任意信道数目。
Abstract
A new model that accounts for the effects of dispersion on stimulated Raman scattering cross-talk in wavelength division multiplexed systems with random initial binary data is proposed. The formula for calculating the middle distance step is given. According to the model,the output power from each communication channel,which passes through the wavelength division multiplexed fiber system that has dispersion “walk-off” under the random digital sequence modulation and the function of non-linear effects,was numerically calculated.The conclusion that fiber dispersion may reduce the output power fluctuation caused by SRS effect was obtained. The results show that the deviation of output power is significantly reduced in the presence of dispersion. The change of the standard deviation of system output power with the dispersion coefficient under the SRS effect is plotted. The mechanism causing the phenomenon was quantitatively analyzed. The model works with any fiber dispersion,input power and number of channels.
参考文献

[1] STOLEN R H,LPPEN E P. Raman gain in glass optical waveguides [J]. Applied Physics Letters,1973,22(6):273-275.

[2] CHRAPLYVY A R. Optical power limits in multichannel wavelength-division multiplexed systems due to stimulated Raman scattering[J]. Electronics Letters,1984,20(2):58-59.

[3] TARIQ S,PALAIS J C. A computer model of nondispersion-limited stimulated Raman scattering in optical fiber multiple-channel communications [J].Lightwave Technology,1993,11(12):1914-1924.

[4] 巩稼民,方强,刘娟,等.N信道高密度波分复石英光纤传输系统中受激喇曼散射产生的串话[J].应用光学,1999,20(6):14-18.

    GONG Jia-min,FANG Qiang,LIU Juan,et al.Raman crosstalk in silica fiber N-channel HD-WDM transmission system[J]. Journal of Applied Optics,1999,20(6): 14-18. (in Chinese)

[5] 巩稼民,方强,刘娟,等.密集波分复用石英光纤通信系统中受激Raman散射的稳态分析模型[J].物理学报,2000,49(7):1287-1291.

    GONG Jia-min,FANG Qiang,LIU Juan,et al. The analytical model of SRS in single-mode silica fiber in density wavelength division multiplexed optical communication system [J]. Acta Physica Sinica,2000,49(7) :1287-1291. (in Chinese)

[6] WANG Jin-song,SUN Xiao-han. Effect of group velocity dispersion on stimulated Raman crosstalk in multichannel transmission system [J]. IEEE Photonics Technology Letters,1998,10(4): 540-542.

[7] ZHOU Xiang,BIRK M. Performance limitation due to statistical Raman crosstalk in a WDM system with multiple-wavelength bidirectionally pumped Raman amplification[J]. Lightwave Technology,2003,21(10): 2194-2202.

[8] VILLARROEL J,GRANDPIERRE A G. On statistical effects on stimulated Raman crosstalk [J].Phys. B: At. Mol. Opt. Phys.,2005(38):2601-2612.

刘毓, 方强, 靳鑫玉. 光纤通信中有色散影响的受激喇曼散射信道特性研究[J]. 应用光学, 2007, 28(5): 0608. LIU Yu, FANG Qiang, JIN Xin-yu. Channel characteristics of stimulated Raman scattering with dispersion effect in optical fiber communication system[J]. Journal of Applied Optics, 2007, 28(5): 0608.

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!