Dynamic range improvement for a microwave photonic link using a phase modulator

被引：1
|
作者：
Zhang, Jin [1 ]
Wang, Anle [1 ]
Yu, Lan [1 ]
Du, Pengfei [1 ]
Cong, Wenshan [1 ]
Zhang, Junkai [1 ]
Wo, Jianghai [1 ]
机构：
[1] Air Force Early Warning Acad, Microwave Photon Lab, Wuhan 430019, Hubei, Peoples R China
来源：
17TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN2018) | 2019年 / 11048卷
基金：
中国博士后科学基金;
关键词：
Microwave photonics link; Phase modulator; Spurious-free dynamic range; Third-order intermodulation distortion; Two-tone test;
D O I：
10.1117/12.2518324
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 novel phase modulator-based microwave photonics link (MPL) with improved spurious-free dynamic range (SFDR) is proposed, in which a parallel optical sideband processing path is used to generate the opposite third-order intermodulation distortion (IMD3) for destructive combination. By controlling the magnitude of the generated IMD3 term via attenuatorin one path, the suppression of IMD3 term was achieved. A theoretical analysis is presented and the simulation experiment results indicate that the SFDR is up to 128.582 dB.HZ(2/3), which has an improvement of 23.66 dB compared with the nonlinearized link.
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页数：4
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