| 1. | Two - way pulse transmission
双向脉冲传输 |
| 2. | Effects of loss , third - order dispersion and five - order nonlinearity on chirp gaussian pulses propagation in optical fiber
高阶非线性效应对啁啾高斯光脉冲传输的影响 |
| 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. | It is discussed the influence of nonlinear frequency chirp to the transmission of 2nd - soliton in optical fibers by solving nonlinear schr ? dinger equation
摘要从非线性薛定谔方程出发，研究了初始非线性频率啁啾对二阶孤子脉冲传输行为的影响。 |
| 5. | The achievements of this dissertation are as follows : 1 . we have investigated the propagating characteristics of picosecond optical pulse in the nonlinear fiber loop mirrors constructed from dispersion decreasing fibers
( 2 )对色散渐减变光纤构成的非线性环形镜中飞秒光脉冲传输特性进行了深入的研究。 |
| 6. | In the case of ultrashort laser pulse , the effect of finite pulse length is anlyzed , and self - steepening in the front of the pulse will occur when only relativistic nonlinearity is considered
同时，对于超短脉冲传输，分析了有限脉冲宽度效应对傍轴方程的修正，当只考虑相对论性非线性效应时将会引起激光脉冲前沿自陡峭。 |
| 7. | The optical channel models for airborne submarine laser communication are built . the multipath time spreading of signal pulse is studied . the waveform of received signals in receiver in submarine laser communication system is analyzed and simulated
通过蒙特卡罗方法的模拟研究，建立了机载激光对潜通信的光脉冲传输模型，研究了信号光脉冲的时间扩展，分析并模拟了接收面上的接收波形。 |
| 8. | We introduce a model of random birefringent single mode fibers , and the general nonlinear propagation equations of dual - lightwaves in random birefringent fibers are deduced . the characteristics of polarization mode dispersion in 2 + 10gb / swdm system is studied . it is found that pmd in wdm system can be effectively suppressed by the synchronous modulation technique
我们引入了随机扰动双折射单模光纤模型，导出了双波长的光波在随机双折射光纤中的非线性脉冲传输方程；在此基础上，研究了偏振模色散对2 10gb swdm系统中脉冲序列传输的影响，并采用同步幅度调制控制技术有效地降低了偏振模色散的影响。 |
| 9. | Three shaped profiles ( parabola , linear , and exponential ) have been considered . the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse . on the contrary , the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ) , stimulated raman scattering ( srs ) and self steeping ( ss )
( 3 )研究不同色散递减类型(抛物线递减、线性递减、指数递减)光纤构成的环形腔中传输的特性，发现其色散曲线为指数递减型光纤有利于皮秒光脉冲的传输与压缩；而对于飞秒脉冲，由于三阶色散( tod ) 、脉冲拉曼自散射( srs )及自变陡( ss )等高阶非线性效应的影响，情况恰恰相反；色散曲线为抛物线递减型的光纤构成的光纤环最有利于脉冲传输与压缩。 |
| 10. | From the analytical point of view , with the aid of the numerical simulation , we investigate the propagation properties of optical pulses for the nonlinear schrodinger equation in picosecond regime , the higher - order nonlinear schrodinger equation in femtosecond regime , the nonlinear schrodinger equation with varying gain / loss and frequency chirping in homogeneous optical fibers , and ginzberg - landau equation that describes ultrashort pulses in the presence of self - frequency shift , respectively
本文从解析的角度出发，同时借助各种微扰理论和数值分析方法，分别研究描述皮秒光脉冲传输的非线性薛定谔方程、飞秒光脉冲传输的高阶非线性薛定谔方程、非均匀光纤中光脉冲传输的含有频率啁啾和增益损耗项的非线性薛定谔方程以及描述超短光脉冲传输的ginzberg - landau方程的解的特性，为进一步实现超高速、大容量的光信息传输提供一定的理论依据。 |
