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Application of Fiber Grating in Dispersion Compensation in High-speed Optical Communication System

Author: ZhouXiaoYan
Tutor: WenShuangChun
School: Wuhan University of Technology
Course: Communication and Information System
Keywords: Optical fiber communication Dispersion compensation Fiber grating Virtual image phase Array method The plane optical path method
CLC: TN929.1
Type: Master's thesis
Year: 2006
Downloads: 262
Quote: 5
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Abstract


Expansion of transmission capacity in optical fiber communication systems , improvement of transmission speed , transmission distance extension and the loss of the optical fiber , nonlinear effect , the dispersion effect is closely related . With the widespread use of erbium-doped fiber amplifier , the basic loss problem has been resolved, fiber dispersion and nonlinear effects became limited optical signal transmission rate and transmission distance optical fiber communication systems major factor . Optical fiber communication systems due to fiber dispersion can effectively suppress nonlinear effects such as four-wave mixing , upgrading and expansion of the key will be embodied in the dispersion problem in high-speed, large-capacity ultra-long haul optical fiber communication systems , only effective dispersion compensation in order to meet the transmission requirements of the communication system further . This paper focuses on the application of fiber Bragg grating dispersion compensation in high - speed optical fiber communication systems , the main work is as follows : First of all, from the light pulse in a single-mode fiber , the basic equation of the transfer , the principle of dispersion compensation in high - speed optical fiber communication systems , as well as dispersion optical fiber communication systems . Secondly, it analyzes the current domestic and international high-speed optical fiber communication systems in a variety of dispersion compensation technology and its mechanisms , features , analysis and comparison of their advantages and disadvantages from the point of view of system performance . Such as : virtual image phased array method , optical soliton transmission , plane light path method . These dispersion compensation methods lower the degree of maturity of the technology , the practical process is very slow . In comparison, the most advantage of fiber grating . The fiber grating is the most promising of a high-speed, ultra-long-haul , high-capacity optical fiber communication systems , dispersion compensation technology programs . Finally, based on the OPTIWAVE simulation software , simulation of three the G.652 fiber transmission by optical fiber grating dispersion compensation system performance , transmission rates of 10 Gb / s , 40 Gb / s optical fiber communication systems as well as 40 Gb / s , 16 - channel high - speed dense wavelength division multiplexing ( DWDM ) system. Simulation study results show that : the size of the optical power into the fiber dispersion compensation system , for each system , into the fiber optical power in a range between better system performance ; fiber grating dispersion compensation bandwidth of the system larger . In addition, the dispersion slope in the high - speed DWDM system bit error rate also have a certain impact .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Lightwave communications, laser communications
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