| 1. | Self phase modulation
自相位调制 |
| 2. | In dwdm , the nonlinear effects such as self - phase modulation ( spm ) , cross - phase modulation ( xpm ) become important
然而多波长的密集传输使得光纤中的非线性效应(自相位调制、交叉相位调制等)显著增强。 |
| 3. | In this paper , we focused on the study of characteristics of pulse evolutions and spm induced switching effects in the fiber loop mirrors
本文主要研究了光脉冲在光纤环中的传输，其自相位调制致开关效应的脉冲传输特性。 |
| 4. | The study based on self phase modulation mechanism and the effects of gvd on sc generation are mostly focused on by analyzing and calculating theoretically
本文主要研究群速度色散对光纤中自相位调制效应sc谱展宽的影响，分析了产生sc谱的物理机制。 |
| 5. | Many nonlinear optical effects such as spm , xpm and fwm play important roles in the evolutions of optical pulses in the loop mirrors
利用构成非线性环的光纤中发生的不同非线性效应(自相位调制、交叉相位调制与四波混频效应) ，可以实现超短脉冲的非线性光开关特性。 |
| 6. | Finally , we study the effect of longitudinal wakefield in the propagation of intense laser in plasma and find that this effect leads to asymmetric self - phase modulation of the pulse
最后研究了尾波场效应对激光传输的影响，发现纵向尾波场效应将导致激光脉冲不对称自相位调制。 |
| 7. | In chapter 3 , spatiotemporal instability of ultrashort pulses results from the interplay among diffraction , group - velocity dispersins and nonlinearity . we use the model proposed by brebec et al . ,
第三章：超短脉冲的时空不稳定性是衍射、群速度色散和自相位调制三者之间的相互作用导致的。 |
| 8. | During these processes , diffraction , self - phase modulation , cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation
在这些过程中，衍射、自相位调制、交叉相位调制、光束之间的间距等都对光束和脉冲光束在非线性介质中的传输产生重要的影响。 |
| 9. | The origin of supercontinuum ( sc ) generation in optical fibers has been conjectured to be the interplay between fiber nonlinearities ( self phase modulation , cross phase modulation and raman self scattering ) and group - velocity dispersion ( gvd )
光纤中超连续supercontinuum ( sc )谱的产生源于光纤中各种非线性效应(自相位调制效应、交叉相位调制效应，四波混频效应及受激raman散射等)和群速度色散的共同作用。 |
| 10. | By following the way of studying the nonlinear effect as a whole , the influence of the spm and xpm to the phase matching condition of fwm is studied . from the achieved analytical expression it can be seen that the phase modulation can change the efficiency of the fwm
根据综合研究非线性效应的考虑，本文研究了自相位调制及交叉相位调制对四波混频相位匹配的影响，在一定的简化下得到了解析的结果。 |
