A scheme, that USES optical chirp reversal technique in optical repeats of a long-distance high-bit-rate optical fiber communication system, has been demonstrated.
论述了在长距离高速光纤通信的光中继中采用光学啁啾反转技术的方案。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
In this paper, the distorted pulse shape is derived in the chirp pulse transmission through dispersive optical fiber, and the method is given for the chirp pulse not to be widened.
本文导出了啁啾激光脉冲经色散光纤传输后的畸变波形,以此为基础讨论了避免啁啾光脉冲被光纤展宽的各种方法。
The achieved results indicate that the gain switching conditions greatly influence the chirp of optical pulses and the compression effect.
理论研究指出激光器的增益开关状态对输出光脉冲的啁啾分布有较大影响,从而影响了脉冲的压缩效果。
The results show that higher injected current can restrain the frequency chirp effectively, and higher input optical power can also do that, meanwhile, good extinction ratio is ensured.
研究发现,较大的激光器注入电流可以有效地抑制频率啁啾,较高的注入信号光功率则可以在保证高转换信号消光比的同时抑制频率啁啾。
Nowadays, the optical pulse used in the OTDM system is often generated by the gain-switched distributed-feedback (GS-DFB) semiconductor laser, which has a large pulse width and negative chirp.
目前常采用GS-DFB半导体激光器作为OTDM系统的光脉冲源,这种脉冲源产生的光脉冲一般较宽。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
The results also show unequal amplitude method can reduce the interaction between femtosecond soliton in the presence of optical source chirp in a certain degree.
研究结果还表明,不等幅传输法在一定程度上可有效地抑制源啁啾飞秒孤子间的相互作用。
The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction.
数值研究了源啁啾飞秒孤子间相互作用,提出了抑制该作用的可能方案;
The consistence between linewidth broadening factor and chirp parameter in optical fiber communication system is analyzed emphatically.
重点分析了激光器方程中的线宽增长因子和光纤通信系统中啁啾参数的一致性;
It is discussed the influence of nonlinear frequency chirp to the transmission of 2nd-soliton in optical fibers by solving nonlinear Schrdinger equation.
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。
A method for detecting the chirp of femtosecond optical pulse directly is proposed in this paper.
介绍了一种能够直接检测飞秒脉冲啁啾大小的方法。
A method for detecting the chirp of femtosecond optical pulse directly is proposed in this paper.
介绍了一种能够直接检测飞秒脉冲啁啾大小的方法。
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