Photonic Approach for Generation and Fast Switching of Binary Digitally Modulated RF Signals

被引：5
|
作者：
Feng, Xia [1 ]
Yan, Lianshan [1 ]
Li, Peng [1 ]
Ye, Jia [1 ,2 ]
Zou, Xihua [1 ]
Pan, Wei [1 ]
Luo, Bin [1 ]
机构：
[1] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Ctr Informat Photon & Commun, Chengdu 611756, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2020年 / 12卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Radio frequency photonics; microwave signal generation; modulation; MICROWAVE SIGNALS; WAVE;
D O I：
10.1109/JPHOT.2020.3022659
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 photonic method to generate hybrid binary digitally modulated radio frequency (RF) signals (i.e. ASK, PSK, and FSK) by using a polarization-division-multiplexed MachZehnder modulator (PDM-MZM) is proposed. The PDM-MZM is driven by two RF signals with different carrier frequencies and two multiplied digital signals. By properly controlling the offsets and the amplitudes of the digital signals, ASK, PSK, and FSK signals can be generated and switched fastly. RF signals at 4/6 GHz and 10/15 GHz with switchable modulation formats are experimentally generated. Moreover, the performances of the generated signals are evaluated in a wireless transmission system and corresponding bit error rate (BER) curves of the signals are presented.
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页数：8
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