Optical Modulator Half-Wave Voltage Measurement Using Opposite-Phase Sine Waves

被引：12
|
作者：
Sutili, Tiago [1 ]
Conforti, Evandro [1 ]
机构：
[1] Univ Estadual Campinas, Fac Elect & Comp Engn, Dept Commun, BR-13083970 Campinas, SP, Brazil
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 09期
基金：
巴西圣保罗研究基金会;
关键词：
Electrooptic modulators; optical communication; optical components; optical modulation; MACH-ZEHNDER MODULATOR;
D O I：
10.1109/JLT.2016.2525860
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A simplified direct measurement of half-wave voltage (V-pi) based on the optical modulator third harmonic distortions to sinusoidal signals in opposite phase is proposed and performed for a quadrature Mach-Zehnder optical modulator. Experimental results are obtained from dc up to 11 GHz. The tested device V-pi value is 2.4 V for dc increasing to 3.8 V at 10 GHz. A linear extrapolation predicts that V-pi will be close to 10.5 V at 40 GHz, which is equivalent to the first harmonic for a 80 GBd transmission rate based on QPSK modulation.
引用
收藏
页码：2152 / 2157
页数：6
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