基于中频载波调制外差检测的QAM相干子载波复用系统

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.2008.4666662

Ran Zhu, Kun Xu, Ye Zhang, Yan Li, Jian Wu, X. Hong, Jintong Lin

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引用次数: 5

摘要

提出了一种基于外差检测的QAM相干子载波复用系统，并进行了实验验证。在发射端，用于子载波的中频载波调制使QAM具有外差检测的解调成为可能。实验和理论仿真表明，采用QAM调制格式的多通道相干光学系统具有较高的频谱效率和较好的QAM信号解调性能。

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QAM coherent subcarrier multiplexing system based on heterodyne detection using intermediate frequency carrier modulation

A novel QAM coherent subcarrier multiplexing system which is based on heterodyne detection is proposed and demonstrated experimentally. At the transmitter side, intermediate frequency carrier modulation which is used for subcarrier enables demodulation of QAM with heterodyne detection. The experiment and theoretical simulation show that the coherent optical system operating for multi-channel using QAM modulation format achieves high spectral efficiency and has excellent performance in demodulation of QAM signals.

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来源期刊

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

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