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Employing split-band technique and Fabry-Perot etalon filter to improve directly modulated fiber optical CATV system performances

机译:利用分离带技术和Fabry-Perot标准具滤波器来改善直接调制光纤CATV系统的性能

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摘要

We proposed and demonstrated a directly modulated NTSC 77-channel fiber optical CATV transport system using split-band technique at the transmitting site and Fabry-Perot (FP) etalon filter at the receiving site to improve system performance. Good performance of carrier-to-noise ratio (CNR), composite second-order (CSO), and composite triple beat (CTB) were obtained in our proposed systems over a 100-km standard single-mode fiber (SMF) transmission. Employing a FP etalon filter in fiber optical CATV transport systems is useful in real network, as it is simple, passive, and potentially, low cost. This proposed system reveals an outstanding one with simpler and more economic advantages than that of externally modulated transport system.
机译:我们提出并演示了一种直接调制的NTSC 77通道光纤CATV传输系统,该系统在发送站点使用分波段技术,在接收站点使用Fabry-Perot(FP)标准具滤波器,以提高系统性能。在我们提出的系统中,在100公里标准单模光纤(SMF)传输上,获得了良好的载噪比(CNR),复合二阶(CSO)和复合三拍(CTB)性能。在光纤CATV传输系统中使用FP标准具滤波器在实际网络中很有用,因为它简单,无源,并且潜在地具有低成本。与外部调制运输系统相比,该提议的系统揭示了一种具有更简单,更经济优势的出色系统。

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