级联Mach-Zehnder调制器抑制双音信号中的三阶谐波

Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-19 DOI:10.1109/MWP.2014.6994517

Kazuki Seki, Yuya Yamaguchi, A. Kanno, T. Kawanishi, M. Izutsu, H. Nakajima

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引用次数: 7

摘要

我们研究了一种利用级联Mach-Zehnder调制器抑制双音光波信号中不需要的三阶谐波的技术。三阶谐波是双音光波信号中的主要杂散成分，它决定了信噪比和旁模抑制比。我们能够改善调制器的线性度，并演示了使用该技术在10 GHz下抑制14 dB的三阶谐波。

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Suppression of third-order harmonics in two-tone signals using cascaded Mach-Zehnder modulators

We investigate a technique to suppress undesired third-order harmonics of two-tone lightwave signals using cascaded Mach-Zehnder modulators. Third-order harmonics, which determines the signal-to-noise ratio and side-mode suppression ratio, are dominant spurious components in two-tone lightwave signals. We were able to improve the linearity of modulator and demonstrated 14 dB suppression of third-order harmonics at 10 GHz with the technique.

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Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on

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