差分相移键控(DPSK)在长距离光纤通信系统中有高接收机灵敏度、高频谱效率以及抗非线性效应方面的优势,最近受到广泛关注.在DPSK通信系统中,线性相位噪声和非线性相位噪声是影响系统性能的主要因素.研究了如何利用光纤四波混频(FWM)效应来监测和抑制相位噪声,降低相位噪声对DPSK通信系统的影响.结果表明利用光纤FWM效应产物可以检测相位噪声值,并且基于光纤饱和FWM效应全光限幅器可以有效地降低非线性相位噪声,提高了DPSK系统性能.该结果对研究高速全光通信有重要意义.
参考文献
| [1] | Xu C,Liu X,Wei X.Differential phase-shift keying for high spectral efficiency optical transmissions[J].IEEE Journal of Selected Topics in Quantum Electronics,2004,10(2):281-293. |
| [2] | Gordon J P,Mollenauer L F.Phase noise in photonics communication system using linear amplifier[J].Opt.Lett.,1999,15(23):1351-1355. |
| [3] | Croussore K,Kim C,Li G.All-optical regeneration of differential phase-shift keying signals based on phasesensitive amplification[J].Opt.Lett.,2004,28(20):2357-2359. |
| [4] | Xi L X,Tang X F,et al.Optimization of phase regenerator in differential phase-shift keying format communication system[C].IEEE/CSO,2009:805-807. |
| [5] | Boivin D,Hanna M,Lacourt P A,et al.Influence of fixed and sliding in-line filtering on phase jitter[C].OSA/STQE,2003:CThG2. |
| [6] | Derevyanko S A,Turitsyn S K.Reduction of the phase jitter in differential phase-shift-keying soliton transmission systems by in-line Butterworth filters[J].Optics,2004,29(1):35-37. |
| [7] | Xu C,Liu X.Post nonlinearity compensation with date-driven phase modulators in phase shift keying transmission[J].Opt.Lett.,2002,27(18):1619-1621. |
| [8] | Liu X,Wei X,Slusher R E,et al.Improving transmission performance in differential phase-shift-keyed systems by use of lumped nonlinear phase-shift compensation[J].Opt.Lett.,2002,27(18):1616-1618. |
| [9] | Inoue K.Optical level equalisation based on gain saturation in fibre optical parametric amplifier[J].Electron.Lett.,2000,36(12):1016-1017. |
| [10] | Agrawal G P.Nonlinear Fiber Optics[M].San Diego:Academic Press,2001. |
| [11] | Kylemark P,Sunnerud H,et al.Semi-analytic saturation theory of fiber optical parametric amplifiers[J].IEEE J.Lightwave Technology,2006,24(9):3471-3479. |
| [12] | Liu Dongfeng,Chen Wenjian,Zhong Mingyu.Dispersion-managed soliton interactions influenced by the shape of insert pulse[J].Journal of Quantum Electronics(量子电子学报),2010,27(4):448-452(in Chinese). |
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