Spurious-free dynamic range enhancement of a single sideband phase-modulated link

被引：0

作者：

Zhang, Jin ^{[1
]}

Zhang, Depei ^{[2
]}

Wang, Yalan ^{[1
]}

Wang, Anle ^{[1
]}

Liu, Xiaotong ^{[1
]}

Lin, Chengji ^{[2
]}

Peng, Xiaoniu ^{[1
]}

机构：

[1] Air Force Early Warning Acad, Wuhan, Peoples R China

[2] Hubei Univ, Fac Phys & Elect Sci, Hubei Key Lab Ferroelect & Dielect Mat & Devices, Wuhan, Peoples R China

来源：

OPTICAL ENGINEERING | 2023年 / 62卷 / 03期

关键词：

microwave photonic link; phase modulation; spurious-free dynamic range; third-order intermodulation distortion; two-tone test; INTERMODULATION DISTORTION; PHOTONIC LINK; ANALOG; PREDISTORTION; TRANSMITTER; LINEARIZATION; SUPPRESSION; IMPROVEMENT; REDUCTION;

D O I：

10.1117/1.OE.62.3.036108

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A single sideband (SSB) phase-modulated link with an improved spurious-free dynamic range (SFDR) is proposed and experimentally demonstrated. By generating a single-sideband phase-modulated signal containing a specific spectrum for demodulation, the third-order intermodulation distortion (IMD3) is effectively suppressed. The theoretical analysis is presented, and the experimental results show that a carrier-to-interference ratio of 62.45 dB is achieved. The improved SFDR is 120.25 dB center dot Hz4/5, which is 14.47 dB higher than that of a conventional SSB phase-modulated link. (c) 2023 Society of Photo-Optical Instrumentation Engineers

引用

页数：8

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