25ghz间隔DWDM毫米波波段光纤无线电系统中的多通道串扰

2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-11-05 DOI:10.1109/MWP.2008.4666667

T. Yamaguchi, Y. Takahashi, H. Toda, T. Kuri, K. Kitayama

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引用次数: 4

摘要

在本文中，我们实验研究了多通道光串扰对25ghz间隔密集波分复用(DWDM)毫米波波段光纤无线电(RoF)下行系统的影响。用阵列波导光栅滤波的11通道串扰有意地与RoF信号的所需通道混合。我们将串扰抑制比定义为从检测到的RoF信号的光谱中估计出的期望通道和不希望通道的毫米波功率之比。实验结果表明，当抑制比大于25 dB时，串扰产生的功率惩罚小于1 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multi-channel crosstalk in a 25-GHz spaced DWDM millimeter-wave-band radio-over-fiber system

In this paper, we experimentally investigate the influence of multi-channel optical crosstalk in a 25-GHz spaced dense-wavelength division multiplexing (DWDM) millimeter-wave-band radio-over-fiber (RoF) downlink system. The eleven-channel crosstalk filtered with arrayed waveguide gratings (AWGs) was intentionally mixed with the desired channel of the RoF signal. We defined the suppression ratio of the crosstalk as the ratio of the mm-wave power of the desired channel and undesired channels which are estimated from optical spectrum of the detected RoF signal. The experimental results show that the power penalty due to the crosstalk of less than 1 dB is obtained when the suppression ratio is more than 25 dB.

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2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference

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