Equations for Two-Tone Analog Optical Phase Modulation With an Asymmetric Interferometer

被引：6
|
作者：
Urick, Vincent J. [1 ]
McKinney, Jason D. [1 ]
Diehl, John F. [1 ]
Williams, Keith J. [1 ]
机构：
[1] Naval Res Lab, Washington, DC 20375 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 15期
关键词：
Microwave photonics; phase modulation; PHOTONIC LINKS; DYNAMIC-RANGE; LINEARIZATION;
D O I：
10.1109/LPT.2013.2270432
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：
Analytical research is presented for electro-optic phase modulation followed by an asymmetric interferometer that is used for phase-to-intensity conversion. The resulting closed-form equations quantify the performance for arbitrary interferometer bias and input radio-frequency power. Even-order distortions, very important for multi-octave applications, are analyzed. Measured data for a Mach-Zehdner interferometer (MZI) are demonstrated to agree well with the theoretical results. Photodiode-induced even-order distortion is identified as the limiting nonlinearity when the MZI is biased at quadrature.
引用
收藏
页码：1527 / 1530
页数：4
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