分析了光纤的色散效应和扰偏器的工作原理。
The dispersion problem of the fiber and the principle Polarization Scrambler were discussed as well.
采用半矢量有限差分法研究了光子晶体光纤的色散特性。
A semi-vectorial finite difference method (SFDM) is used to characterize the dispersion of photonic crystal fibers.
分析了相位偏置和光纤的色散对锁模机制的影响,获得了产生稳定超短光脉冲的条件。
The effects of phase bias and group velocity dispersion on mode locking mechanism are analyzed. The operating conditions for stable short pulse generation are obtained.
对单模光纤的色散谱进行测量,得出单模光纤的零色散波长和色度色散随波长变化的斜率。
The spectral dispersion of single-mode fiber is measured and the zero chromatic dispersion wavelength, the slope of dispersion vs. wavelength are obtained.
分析了由于光纤的色散引起的脉冲展宽,并介绍了啁啾布拉格光纤光栅进行色散补偿的基本原理。
Pulse broadening due to fiber dispersion is analyzed. The principle of dispersion compensation using chirped fiber Bragg gratings is introduced.
采用矢量光束传输法对空气孔包层呈正六边形分布的微结构光纤的色散和非线性特性进行了数值模拟。
The dispersive and nonlinear properties of the microstructure fiber with hexagonally distributed air-holes in the cladding are numerically simulated by using the vectorial beam propagation method.
理论和实验研究表明,参量放大的带宽取决于泵浦波长和泵浦功率、光纤非线性系数、光纤的色散特性。
Theory and experiment show that bandwidth of FOPA depends on pumping wavelength and pumping power, optical fiber nonlinear coefficient as well as dispersion characteristics.
通过将多包层光纤等效为阶跃光纤,求等效阶跃光纤的传播常数与等效折射率,求得多包层光纤的色散。
Then, the dispersion of the multi-clad fiber is obtained by solving the propagation constant and the equivalent refractive index of single-clad fiber which is equal to multi-clad fiber.
提出了光子晶体光纤色散的矢量有效折射率计算方法,并结合归一化色散的概念研究了光子晶体光纤的色散特性。
A fully vectorial effective index method is proposed and used to study the dispersion properties of photonic crystal fibers in combination with the concept of normalized dispersion.
已有的研究结果表明:利用光纤的色散和非线性效应压缩光脉冲是一种得到超短脉冲光的简单、易行的实用方法。
Results of previous research indicate that it is an easy and feasible method to get ultra-short pulses by making use of effects of dispersion and nonlinearity of fibers to compress optical pulses.
本文研究了色散管理光纤中超短光脉冲的压缩效应。
The effect on pulse compression in dispersion managed fibers is studied.
数值模拟和分析表明,该光子晶体光纤在色散补偿型光纤方面具有广泛的应用前景。
The numerical simulation and analysis show that this type of PCF will find extensive applications in dispersion compensation fibers.
数值模拟显示,利用色散缓变光纤中的调制不稳定性可以产生高重复率的基本孤子脉冲串。
The numerical simulation also shows that fundamental soliton pulses with high repetition rate can be generated in this kind of fiber by modulation instability.
分离光纤线路中的两个偏振模式对于提高偏振模色散补偿的精度和速度有重要意义。
Splitting two modes from an optical fiber line is of great importance for the accuracy and speed of compensation.
色散问题是影响光纤带宽的主要因素。
Dispersion is the primary affects of the optical fiber band width.
最后讨论了大空气孔光子晶体光纤的特性及其在色散补偿中的应用。
Finally, PCF with large air holes and its applications in dispersion compensation were also discussed.
除了多级光纤放大器(EDFA)使带宽减小,噪声增大,光纤的材料色散也是对WDM系统影响的重要因素。
Besides multistage EDFA making the bandwidth reduced and noise increased, the material dispersion of optical fibers is also an important factor to affect WDM systems.
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。
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.
利用啁啾光纤光栅的应变调谐技术,通过闭环自动控制色散补偿量的方案,研制出了一种新型的光纤光栅动态色散补偿仪。
A new fiber grating dynamic dispersion compensator is developed by using the stain-tuning technology of the chirped fiber grating and the close-loop controlling scheme.
并且分别对常规光纤、色散管理光纤以及色散位移光纤中光脉冲的压缩规律作了系统的研究。
We discussed systemically the rule of compression of pulses in conventional fibers, dispersion-managed fibers, and dispersion-shifted fibers.
本文从理论上阐述了色散补偿光纤的工作原理和特点。
This paper describes the operating principles and features of dispersion compensating fibers.
使用该方法可以得到具有低串扰的多波长光纤光栅色散补偿器。
Using this method, we can realize the low crosstalk multi-wavelength dispersion compensators based on fiber gratings.
然后利用线性啁啾光纤光栅对色散的补偿原理、特性及其局限性作了定性分析。
That dispersion is compensated with linearly chirped fiber grating is analyzed qualively and its characteristic and limitations are discussed.
研究了线性光纤中色散导致初始频率啁啾的高斯光脉冲展宽的详细物理过程。
The physical process of frequency chirped Gaussian pulses broading induced by the group- velocity dispersion has been studied.
建立了基于傅里叶变换光谱技术的光纤光栅色散测量系统。
A fiber Bragg grating dispersion measuring system based on Fourier transform spectroscopy is designed and implemented.
具有切践包络的线性啁啾光纤光栅是用于色散补偿的重要无源器件。
The apodized linear chirped fiber grating is an important passive device for dispersion compensation.
基于标量近似理论,使用有效折射率方法对光子晶体光纤的群速度色散特性进行了详尽研究。
Based on a scalar approximation, the group-velocity-dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent-index model.
为探讨三阶色散对脉冲传播的意义,用数值模拟的方法讨论了在色散缓变光纤中零色散波长附近三阶色散对脉冲频谱演变的影响。
Propagation of spectra affected by third-order dispersion in dispersion-decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation.
基于标量近似理论利用有效折射率方法对低空气填充率的光子晶体光纤(PCF)的色散特性进行了数值模拟。
Basing on scalar approximation the dispersion property of photonic crystal fibers (PCF) with lower air filling fraction are investigated by an effective index approach in this paper.
光纤色散是光纤通信的一个很重要的特性。
Light cable dispersion is a very important characteristic of light cable communication.
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