模拟光链路马赫-曾德尔调制器非线性后补偿新技术

2014 International Conference on Advanced Technologies for Communications (ATC 2014) Pub Date : 2014-10-01 DOI:10.1109/ATC.2014.7043374

Trung-Hien Nguyen, T. Nguyen, T. Bui, N. Trang, Thanh Thuy Le

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引用次数: 0

摘要

提出了一种抑制模拟光链路中马赫-曾德尔调制器三阶失真(TOD)的新技术，并通过数值仿真进行了验证。在频谱域给出了模拟输入信号的结果，用于评价链路性能。一种新的简单时域线性化方案提高了44.5 dB无杂散动态范围(SFDR)，并允许光学调制深度接近π/2弧度。调制信号的峰值电压可以达到Vπ，而MZM失真的影响可以忽略不计。本文提出的工作表明，由于提出的技术，模拟光链路的性能显着提高。

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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Novel technique for nonlinearity postcompensation of Mach-Zehnder modulator in an analog-optical link

A novel technique for third-order distortion (TOD) suppression of a Mach-Zehnder modulator (MZM) in an analog-optical link is proposed and demonstrated by a numerical simulation. The results with analog input signal are presented in spectrum domain for the evaluation of link performance. A novel simple time-domain linearization scheme results in 44.5 dB spurious-free dynamic range (SFDR) improvement and allows optical modulation depths approaching π/2 radian. The peak-to-peak voltage of the modulated signal could then reach to Vπ with negligible impact of MZM distortion. The work presented here demonstrates that the performance of the analog-optical link increases significantly thanks to the proposed technique.

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2014 International Conference on Advanced Technologies for Communications (ATC 2014)

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