【摘要】：為了盡可能的滿足人類的需求光纖通信系統(tǒng)正沿著更大容量、更高速率和更長距離的方向發(fā)展。在光通信體系中使用光的偏振復(fù)用技術(shù),不僅能夠在很大程度上提高系統(tǒng)通信容量還能使系統(tǒng)的頻譜效率得到明顯改善。 本文在偏振復(fù)用的理論之上設(shè)計了偏振復(fù)用系統(tǒng),且系統(tǒng)采用傳輸性能相對優(yōu)越的DQPSK調(diào)制。最后針對本文系統(tǒng)進(jìn)行仿真,首先,仿真了在傳輸鏈路中存在色度色散、偏振模色散的情況下偏振復(fù)用系統(tǒng)傳輸鏈路的性能,在此基礎(chǔ)上對色度色散進(jìn)行了補(bǔ)償,并仿真分析了全光補(bǔ)償與電光補(bǔ)償?shù)难a(bǔ)償能力的強(qiáng)弱。其次,對本文設(shè)計的通信系統(tǒng)進(jìn)行了整體仿真,分別仿真分析了零距離背靠背的傳輸以及通過不同距離的光纖傳輸?shù)南到y(tǒng)性能。
[Abstract]:In order to meet the human needs as much as possible, the optical fiber communication system is developing along the direction of larger capacity, higher speed and longer distance. The use of polarization multiplexing in optical communication systems can not only improve the communication capacity of the system to a great extent, but also improve the spectral efficiency of the system. Based on the theory of polarization multiplexing, a polarization multiplexing system is designed in this paper, and the system adopts DQPSK modulation with superior transmission performance. Finally, the simulation of the system is carried out. Firstly, the performance of the transmission link of polarization multiplexing system is simulated in the presence of chromatic dispersion and polarization mode dispersion in the transmission link, and the chrominance dispersion is compensated on this basis. The compensation ability of all-optical compensation and electro-optic compensation is simulated and analyzed. Secondly, the communication system designed in this paper is simulated, and the performance of zero-distance back-to-back transmission and optical fiber transmission over different distances is analyzed respectively.
【學(xué)位授予單位】：長春理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN929.11

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