低消光比、小啁啾参数双并联马赫-曾德尔调制器产生的QAM信号畸变的预失真补偿技术

2017 22nd Microoptics Conference (MOC) Pub Date : 2017-11-01 DOI:10.23919/MOC.2017.8244489

Y. Kodama, Yuya Yamaguchi, A. Kanno, T. Kawanishi, H. Nakajima

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引用次数: 0

摘要

我们提出了一种电域预失真方法来补偿由于光学QAM双平行马赫-曾德尔调制器的一些不平衡而引起的iq失真。通过计算验证了该方法的效果，计算结果表明该方法具有提高信号质量的潜力。

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Pre-distortion technique for compensating QAM signal distortions generated by dual-parallel Mach-Zehnder modulators with low-extinction ratio and small-chirp parameter

We propose a pre-distortion method in the electrical domain to compensate for IQ-distortion that is attributed to some imbalances of dual-parallel Mach-Zehnder modulators for optical QAM. We confirmed the effect of the method by performing calculations, and the calculation results show the potential to improve the signal quality.

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来源期刊

2017 22nd Microoptics Conference (MOC)

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