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
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页数：8
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