EML-Based Vector Radio-Frequency Optical Signal Generation Adopting Frequency Doubling With Precoding

被引:1
作者
Guo, Haichao [1 ,2 ]
Qin, Chaoyi [3 ]
机构
[1] Fudan Univ, Beijing Inst Technol, Shanghai 200433, Peoples R China
[2] China Acad Space Technol, Sci & Technol Space Microwave Lab, Beijing 100094, Peoples R China
[3] Fudan Univ, Key Lab Informat Sci Electromagnet Waves, Shanghai 200433, Peoples R China
来源
IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 05期
基金
美国国家科学基金会;
关键词
Frequency doubling; photonic vector signal generation; precoding; MILLIMETER-WAVE GENERATION; FIBER; TRANSMISSION; DELIVERY;
D O I
10.1109/JPHOT.2016.2604483
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
In this paper, an electroabsorption modulated laser (EML)-based vector radio-frequency (RF) optical signal generation scheme adopting frequency doubling and precoding is proposed and experimentally investigated. Compared with the expensive, large-size phase modulator, and intensity modulator, the EML is quite cost-efficient and much easier to integrate. Compared with the directly modulated laser, the EML has a larger bandwidth, which provides the possibility to generate huge bandwidth vector RF optical signal. We experimentally demonstrate the 4-GBd quadrature phase shift keying (QPSK) and 2-GBd 16-ary quadrature amplitude modulation (16 QAM) vector RF optical signal generation at 20 GHz, respectively. At the back-to-back case, the bit error rate (BER) can achieve the threshold of hard-decision feedforward error correction (HD-FEC) at 3.8 x 10(-3). Moreover, 20-km single mode fiber-28 transmission causes no power penalty for the 20-GHz QPSK vector RF signal. To the best of our knowledge, this is the first time frequency doubling and precoding-based photonic vector RF signal generation adopting an EML has been demonstrated.
引用
收藏
页码:1 / 6
页数:6
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