相干多通道广播网络

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond Pub Date : 1989-11-27 DOI:10.1109/GLOCOM.1989.63992

W. Sessa, R. Welter, M. Maeda, R. Wagner, R. Vodhanel, R. Laming

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引用次数: 0

摘要

报道了155.52 Mb/s的16通道相干广播网络的设计和性能。它使用封装的1.54 μ m DFB(分布式反馈)激光器，稳定在绝对频率和可调谐的偏振不敏感接收器。系统实验表明，在信道间距为8.5 GHz时，由于相邻信道串扰导致的功率损失为0.3 dB。结果表明，在整个传输频谱中，掺铒光纤放大器的光纤对光纤增益为22 dB，放大器动态范围为15 dB。这使得在102公里的距离上向256个最终用户中的一个分发16个155mb /s的信号成为可能。

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Coherent multichannel broadcast network

The design and performance of a 16-channel coherent broadcast network at 155.52 Mb/s are reported. It uses packaged 1.54- mu m DFB (distributed feedback) lasers stabilized at absolute frequencies and a tunable, polarization-insensitive receiver. System experiments show that a power penalty of 0.3 dB is incurred at a channel spacing of 8.5 GHz due to adjacent channel crosstalk. Results using an erbium-doped fiber amplifier gave a fiber-to-fiber gain of 22 dB and an amplifier dynamic range of 15 dB for the entire transmission spectrum. This made possible the distribution of sixteen 155-Mb/s signals to one of 256 end-users at a distance of 102 km.<>

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来源期刊

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond

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