Therefore the two effects in the optical pulse propagation are paid widespread attention.
因此,两种效应对光脉冲传输的影响一直受到人们的广泛关注。
The transmission properties of femtosecond optical pulse are analyzed with the momentum method.
利用矩法分析了飞秒光脉冲的传输特性。
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。
The optical pulse amplification is a key technology in optical communication. SOA is a important amplification element.
光脉冲放大是光纤通信系统的关键技术之一,而SOA是一种重要的放大元件。
More and more studies have shown that analysis of the optical pulse fine structure have been the key in many researches.
越来越多的研究表明,分析研究光脉冲(如皮秒或飞秒脉冲)的精细结构是许多研究工作的关键。
Therefore, in order to satisfy the demand of the OTDM system, the technique of optical pulse compression must be adopted.
并带有一定的负啁啾,因而必须采用光脉冲压缩技术才能满足高速OTDM系统的要求。
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system.
光传输系统中的光源,波形整形器,光脉冲串发生装置以及光再现系统。
Ultrashort optical pulse finds wide use in telemetry, microcosmic exploration and generation of high temperature plasma, etc.
超短光脉冲在遥测、探索微观世界的规律以及产生高温等离子体等方面有极广泛的用途。
On the theoretic basis the ultrashort optical pulse propagating in single-mode fiber is affected by the high order nonlinear effect.
基于超短光脉冲在单模光纤中传输时高阶非线性效应的影响。
Comparing with other optical pulse splitting-delaying devices, its virtues are low loss and small amplitude deviation between pulses.
与其他结构的光纤光脉冲分路-延迟器相比,该结构具有损耗低、输出周期脉冲系列等幅性好的优点。
Firstly, we find that NOLM has a function of compressing optical pulse width, self-phase modulation (SPM) in NOLMs is a crucial reason.
通过研究它的光学特性,我们发现,由于自相位调制(SPM),NOLM有压缩光脉冲脉宽的功能。
A new method for ultrashort optical pulse train generation from a cw signal in the normal dispersion regime of optical fibers is suggested.
提出一种在单模光纤正常色散区由连续波产生超短光脉冲串的新方法。
In this paper, the influence of fiber losses was discussed for optical pulse squeezed states by means of heat reservoir theory in quantum optics.
文章利用量子光学的热库理论,讨论光纤损耗对光脉冲压缩态带来的影响。
An optical pulse compressor using a normal dispersion fiber combined with a linearly chirped fiber grating (instead of a block grating pair) is proposed.
本文提出了利用正常色散光纤加线性啁啾光纤光栅组成全光纤光脉冲压缩器方案。
The results show that the third-order dispersion generates distortion to the optical pulse shape with an unsymmetrical structure at the front or back edge.
结果表明,三阶色散会引起光脉冲形状发生畸变,会在其前沿或后沿附近形成非对称的振荡结构。
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.
给出了衰减多脉冲光激发的双光子吸收几率的表达式。 提出了一种简单易行的实验方案。
A model based on semiconductor optical amplifier (SOA) and nonlinear optical loop mirror (NOLM) is designed for amplification and compression of optical pulse.
设计了一种基于半导体光放大器(SOA)和非线性光学环镜(NOLM)的光脉冲放大与压缩的模型。
Directly modulated laser combining with phase modulator is adopted to produce large chirped light, which can be compressed by DCF to generate the optical pulse.
该方案采用直调激光器配合相位调制器产生大啁啾并由DCF压窄输出光脉冲。
The analytic expression is derived by taking into account the third-order dispersion as an initial chirped Gaussian optical pulse propagates along the single-mode.
在考虑光纤色散三阶项时,推导出具有初始啁啾的高斯光脉冲沿单模光纤传输时的表达式。
The sensitivity of a digital optical fiber receiver is directly relevant to the optical pulse shape at the input of the receiver, and varies with the optical pulse.
数字光纤接收机的灵敏度计算与其输入光脉冲波形直接相关。
The shift of reflective wavelength of one FBG under external strain is translated into a change in time interval of the optical pulse from another FBG drived by a PZT plate.
在外界拉力下一个光纤布拉格光栅反射波长的漂移被转变成从另一个被压电陶瓷片调制的光栅反射的光脉冲间隔的变化。
We focus on the peak power, pulse width, extinction ratio of conversion optical pulse and the transmission property of conversion optical pulse in standard single mode fiber.
详细研究了反转光脉冲的峰值功率、脉冲宽度和消光比等重要物理参量以及反转光脉冲继续在常规单模光纤中传输时的演变特性。
Transmitter is the device which changes electrical pulse signal into optical pulse signal, and then transmit the optical signal in wave form by laser diode or light-emitting diode.
光发射机的功能是将电脉冲信号转换成光脉冲信号,并以数字光纤通信系统传输性能所要求的光脉冲信号波形从光源器件的尾纤发射出去。
The rational harmonic mode-locking has become a research subject of intense interest due to its application on the generation of ultra- high repetition frequency optical pulse train.
有理数谐波锁模技术是产生高速超短脉冲的重要技术之一,其光时分复用通信技术等领域中有重要的应用价值。
The final part of the paper we analyzed the stability of the mode of the output optical pulse, as well as the mode's selection the design of complex cavity for realizing single mode.
本文最后部分对输出光脉冲的模式稳定性也做了研究,研究和分析了能够实现单模输出的典型复合腔结构及具体的选模方法。
An optical pulse splitting-delaying device based on optical fiber was proposed for the replication of a high-speed analog pulse in the measurement system for high-speed optical pulses.
针对高速光脉冲测量系统提出了一种用于高速模拟脉冲信号复制的光纤光脉冲分路延迟器结构。
The first one is a sensor head converting the current flowing in the power line into the optical pulse FM signal. The second one is optical fiber transmission and optolectric conversion.
第二部分是光纤传输和光电转换器,从传感头输出的频率调制信号驱动装在高压端的发光二极管,进而转换成光脉冲信号;
As the major source of optical communication and optic-electric sampling detection, the quality of optical pulse generated by Gain-switched semiconductor laser gets more and more attention.
作为光通讯以及光电取样检测系统的主要光源,增益开关半导体激光器产生的激光脉冲质量受到了极大的关注。
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。
Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
先前基于宏观电磁波(包含大量光子)的实验已经证明,光前驱是光脉冲在传播过程中最快的部分。
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