星间链路光交换节点中多普勒频移诱导光滤波和带内串扰干扰的性能分析

2012 5th International Conference on Computers and Devices for Communication (CODEC) Pub Date : 2012-12-01 DOI:10.1109/CODEC.2012.6509308

A. Das Barman, A. Halder

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引用次数: 0

摘要

在这项工作中，我们研究了在低地球轨道(LEO) IM/DD卫星间网络的交换节点中，由于级联光学器件而引起的多普勒诱导的带内串扰惩罚和信号失真惩罚。我们的分析表明，在给定的多普勒频移下，通过明智地选择级联光学器件的带宽超过其标称带宽，可以使上述两种惩罚最小化。对带内串扰产生误差的概率进行了评估，发现信号自发发射拍噪声可以显著增加带内串扰功率惩罚，在10-12倍频下增加7 dB。我们还观察到了开关在一定串扰水平下的本底噪声。

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Performance analysis of Doppler shift induced optical filtering and inband crosstalk penalties in intersatellite link optical switching nodes

In this work we have examined Doppler induced inband crosstalk penalty and signal distortion penalty due to cascaded optical devices in a switching node in a WDM lower earth orbit (LEO) IM/DD inter-satellite network. Our analysis showed that at a given Doppler shift both the above penalties can be minimized by judiciously choosing the cascaded optical devices bandwidth of over its nominal bandwidth. Probability of error due to in-band crosstalk has been evaluated and it is found that the signal-spontaneous emission beat noise can significantly increase in-band crosstalk power penalty by 7 dB at a ber 10-12. We also observed noise floor at a certain crosstalk level of the switch.

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2012 5th International Conference on Computers and Devices for Communication (CODEC)

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