Laser-Phase-Fluctuation-Insensitive Optical Coherent Detection Scheme for Radio-over-Fiber System

被引：10
|
作者：
Kuri, Toshiaki [1 ]
Sakamoto, Takahide [1 ]
Lu, Guo-Wei [1 ]
Kawanishi, Tetsuya [1 ]
机构：
[1] Natl Inst Informat & Commun Technol, Photon Network Res Inst, Koganei, Tokyo 1848795, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2014年 / 32卷 / 20期
关键词：
Digital signal processing; laser frequency offset; optical coherent detection; phase noise; radio-over-fiber (RoF); two-tone local light; TRANSMISSION;
D O I：
10.1109/JLT.2014.2313620
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：
Laser-phase-fluctuation-insensitive optical coherent detection scheme with two-tone local light and digital signal processing technique for a radio-over-fiber (RoF) signal is proposed and experimentally demonstrated. Data recovery with the error vector magnitude of less than 14% rms is successfully performed for 10- and 2.5-Gbaud 25-GHz-band QPSK RoF signals. In addition, bit error rate of less than 10(-5) is also verified for 10-Gbaud 25-GHz-band QPSK RoF signal after 20-km fiber-optic transmission even if the light source with the linewidth of more than 10 MHz in the transmitter is used.
引用
收藏
页码：3803 / 3809
页数：7
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