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dispersion shifted fiber
相关语句
  色散位移光纤
     Signal-to-noise ratio of stable Raman laser output is greater than(40 dB) with(30 km) non-zero dispersion shifted fiber(NZDSF),and the precision of the proposed system is about(0.05 nm) in a demodulation range of(4.2 nm.)
     30 km非归零色散位移光纤(NZDSF)用于拉曼增益可以产生信噪比大于40 dB的稳定拉曼激光输出,在4.2 nm范围内系统解调精度为0.05 nm。
短句来源
     The dispersion managed pairs, consisting of RDF and non-zero dispersion shifted fiber with ultra large effective-core-area (ULAF), have the ultra low dispersion slope of less than 0.006 ps/(nm2·km) at the wavelength range from 1530 nm to 1625 nm, and the largest dispersion value is lower than 0.2 ps/(nm·km).
     由负色散光纤与具有超大有效面积的非零色散位移光纤 (ULAF)组成的色散管理光纤对在 15 30nm到16 2 5nm波长范围内的色散斜率小于 0 .0 0 6ps/(nm2 ·km) ,且最大色散值小于 0 .2ps/(nm·km)。
短句来源
     In this paper, optical pulses generated from gain switched MQW DFB semiconductor laser with repetition the rate of 2.5GHz are firstly compressed from 53.8ps to 12ps using dispersion compensation fiber. Then, the 12ps pulses are compressed to 2.5ps using soliton effect compression in dispersion shifted fiber. Finally, the pulses of 2.5ps are compressed to 0.83ps in dispersion decreasing fiber.
     利用色散补偿光纤(DCF)及色散位移光纤(DSF)压缩重复频率为2.5GHz的增益开关量子阱DFB半导体激光器出射的光脉冲,将光脉冲由53.8ps压缩至2.5ps,而后利用色散渐减光纤将2.5ps的光脉冲进一步压缩至0.83ps。
短句来源
     Red chirped optical pulses from a 1.55 μm gain switched DFB diode laser are compressed using a normal dispersion shifted fiber.
     利用色散位移光纤压缩从1.55μm增益调制DFB激光器中出射的红移啁啾光脉冲。
短句来源
     A novel method of wavelength conversion based on four wave mixing in a dispersion shifted fiber using a spectrum sliced fiber amplifier light source is demonstrated.
     报道了一种新的全光波长变换的方法:利用频谱分割光纤放大器的自发辐射噪声的方法获得连续可调非相干光源,在色散位移光纤中,实现了基于非相干光与相干光之间四波混频机理的全光波长变换。
短句来源
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  色散移位光纤
     3.the femtosecond soliton soliton interaction in dispersion shifted fiber;
     3在色散移位光纤中的飞秒孤子孤子相互作用;
短句来源
     The paper contains two portions. Firstly, it explains the development of various kinds of optical fibers, including the standard single mode fiber (SMF), dispersion shifted fiber (DSF), and non zero dispersion fiber (NZDF), it also explains the operating wavelength windows, including 1.31μm window, 1.55μm window, and the newly proposed 1.40μm window.
     本文分两部分:先介绍光纤的研制发展过程,讲到标准单模光纤(SMF)、色散移位光纤(DSF)和非零色散光纤(NZDF),又讲到单模光纤的几个波长窗口,主要是1.31μm 、1.55μm 和最近开辟的1.40μm 窗口;
短句来源
     3)the femtosecond soliton soliton interaction in dispersion shifted fiber;
     3) 在色散移位光纤中的飞秒孤子孤子相互作用;
短句来源
  “dispersion shifted fiber”译为未确定词的双语例句
     Generation of Supercontinuum from Dispersion Shifted Fiber by Using 10 GHz Actively Mode-locked Fiber Laser
     利用10GHz主动锁模光纤激光器在DSF中产生超连续谱
短句来源
     1. Beginning with the operation principle of regeneratively mode-locking, we discuss, design and measure the basic RF components for a 10GHz RMLFL in detail. Supermode depression is realized by introducing additive pulse limiting effect using self phase modulation induced spectral spreading in dispersion shifted fiber and spectral bandpass filtering simultaneously.
     1.从再生锁模工作原理出发,以10GHz RMLFL为对象,对再生回路的各基本RF组件进行了详细的论证、设计和测试工作;
短句来源
     For the conventional single mode fiber, the zero dispersion wavelength coincides with the operating wavelength 1.31 μm for the prevailing optical fiber communications. Because of advance in laser technology and application of optical fiber amplifier, the operating wavelength of communications tends to be changed to 1.55μm, correspondingly there appears the dispersion shifted fiber (DSF).
     从常规单模光纤开始,零色散波长于光纤通信工作的131μm,其后激光管技术改进和光纤放大器实用化,使光纤通信工作波长转移,相应地出现零色散移位至155μm的单模光纤(DSF)。
短句来源
     Supermode depression was realized by introducing additive pulse limiting effect using self phase modulation induced spectral spreading in dispersion shifted fiber and spectral bandpass filtering simultaneously. Supermode noise can be depressed enough when the pump power was 50 mW.
     利用自相位调制+频谱滤波抑制超模噪音,实验中当抽运功率在50 mW以上时就足可以抑制超模噪音.
短句来源
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  dispersion shifted fiber
We used a combination of an 11 km dispersion shifted fiber, a 13 km dispersion-shifted fiber, and a 12 m standard single-mode fiber.
      
The third type, non-zero dispersion-shifted fiber, is designed specifically to meet the needs of DWDM applications.
      
The exception is the zero dispersion regime in zero dispersion shifted fiber,1 where non-linearities will dominate.
      
This dispersion-compensated fiber link is estimated to have a third-order dispersion 6 times lower than that of dispersion-shifted fiber.
      
This limit is approximately TFWHM 15 ps for an amplifier spacing of 30 km in a dispersion-shifted fiber having an anomalous dispersion of 21 ps2 km.
      
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With the introduction of norlt1alized pulse width P and relative pulse broadening factor q,an improvedformula on the dispersion limit of IM/DD optical fiber transmission systems is derived under arbitrary P andeye opening penalty X. The formula s correctness is verified by the comparison with published experimentaldata,computer simulation,as well as other theoretical analyses,and the constraints of existing theories aregiven, It is shown that the dispersion index Y of a 2. 5Gb/s external modulated signal with...

With the introduction of norlt1alized pulse width P and relative pulse broadening factor q,an improvedformula on the dispersion limit of IM/DD optical fiber transmission systems is derived under arbitrary P andeye opening penalty X. The formula s correctness is verified by the comparison with published experimentaldata,computer simulation,as well as other theoretical analyses,and the constraints of existing theories aregiven, It is shown that the dispersion index Y of a 2. 5Gb/s external modulated signal with a=0 is around0.79,el1suring the achievement of near to l 000km non dispersion shifted fiber transmission withoutregeneration,with the eye open ing penaIty X being still less than l dB.

通过引入归一化脉宽P和相对脉冲展宽因子q,提出了一个适用于IM/DD系统中各种眼图恶化量x和归一化脉宽P的色散限制改进公式。通过与其它理论的比较、计算机仿真和对实验数据的分析,验证了该公式的正确性,并给出了其它结果的限制条件。研究表明:当眼图恶化量x为1dB左右时,对2.5Gb/;外调制信号(α=0)而言,非色散位移光纤IM/DD系统的色散因子γ约等于0.79,所对应的系统再生中继距离约为900余公里。

The effect of optical amplifier noise and the four wave mixing in optical fiber on the performance of the multichannel FSK direct and heterodyne detection transmission system with cascaded optical amplifiers is discussed. The performance of a 1 Gb/s and 20 channels system is compared for conventional and dispersion shifted fibers. With 10 GHz channel separation ,the lowest power penalty of central channel is 1. 75 dB for heterodyne detection and 0. 77 dB for direct detection after 1 000 km in dispersion...

The effect of optical amplifier noise and the four wave mixing in optical fiber on the performance of the multichannel FSK direct and heterodyne detection transmission system with cascaded optical amplifiers is discussed. The performance of a 1 Gb/s and 20 channels system is compared for conventional and dispersion shifted fibers. With 10 GHz channel separation ,the lowest power penalty of central channel is 1. 75 dB for heterodyne detection and 0. 77 dB for direct detection after 1 000 km in dispersion shifted fiber, but for conventional fibers, it is 0. 9 dB of heterodyne detection and 0. 38 dB of direct detection.

研究了光纤放大器噪声和光纤四波混频(FWM)对级联光纤放大器多通道传输系统性能的影响。对传输速率为1Gb/s和信道间隔为10GHz的20路FSK直接检测和外差检测的系统,当信号在常规光纤中传输1000km后,中间信道的最小功率代价分别为0.9和0.38dB;对于色散位移光纤,最小功率代价分别为1.75和0.7dB。

A new dispersion compensation method for high-speed terrestrial cascaded Erbium-Doped Fiber Amplifier wavelength division multiplexed (WDM) optical transmission systems is proposed in this paper. By means of specially designed dispersion-shifted fiber(SDDSF) with zero dispersion wavelength around 1. 6μm and dispersion slope S_0=0. 05ps/km/nm ,-2~-4ps/km/nm dispersion is generated at 1550nm to avoid severe four-wave mixing in WDM systems using ITU-T G. 653 DSF....

A new dispersion compensation method for high-speed terrestrial cascaded Erbium-Doped Fiber Amplifier wavelength division multiplexed (WDM) optical transmission systems is proposed in this paper. By means of specially designed dispersion-shifted fiber(SDDSF) with zero dispersion wavelength around 1. 6μm and dispersion slope S_0=0. 05ps/km/nm ,-2~-4ps/km/nm dispersion is generated at 1550nm to avoid severe four-wave mixing in WDM systems using ITU-T G. 653 DSF. The positive dispersion of ITU-T G. 652 standard single-mode fiber is utilized to compensate for the negative dispersion of SDDSF over 1530~1570nm (EDFA bandwidth ). With this method, dispersion induced eye opening penalty could still be less than 1dB after 1000km fiber transmission in systems with bit-rate higher than 10Gb/s per channel.

本文提出了一种用于高速多路波分复用(WDM)陆上级联掺铒光纤放大器(EDFA)光纤通信系统的色散补偿方案,其特点是:利用特殊设计的色散位移光纤SDDSF(零色散波长λ0≈1.6μm,色散斜率S_0=0.05ps/km/nm2),在1550nm处产生-2~-4ps/km/nm的色散,以避免ITU-TG.653色散位移光纤在多路复用时的四波混频(FWM)效应;并利用ITU-TG.652标准单模光纤(非色散位移光纤NDSF)在1530~1570nm(EDFA工作带宽)范围内,有效地补偿SDDSF所引入的负色散。此方案可使单路数据率高于10Gb/s的波分复用系统,经1000km传输后因色散引入的眼图恶化量仍<1dB。

 
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