SFDR enhancement in analog photonic links by simultaneous compensation for dispersion and nonlinearity

被引：60
作者：
Chen, Zhiyu [1 ]
Yan, Lianshan [1 ]
Pan, Wei [1 ]
Luo, Bin [1 ]
Zou, Xihua [1 ]
Guo, Yinghui [1 ]
Jiang, Hengyun [1 ]
Zhou, Tao [2 ]
机构：
[1] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Ctr Informat Photon & Commun, Chengdu 610031, Sichuan, Peoples R China
[2] Southwest China Res Inst Elect Equipment, State Key Lab Elect Informat Control, Chengdu 610029, Peoples R China
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 18期
关键词：
MACH-ZEHNDER MODULATOR; INTERMODULATION DISTORTION; PHASE-MODULATION; POLARIZATION MODULATOR; MICROWAVE PHOTONICS; IMPROVEMENT; LINEARITY; SYSTEM;
D O I：
10.1364/OE.21.020999
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method to improve the spurious-free dynamic range (SFDR) of analog photonic links has been proposed and experimentally demonstrated, which only consists of a phase modulator (PM), a polarizer and an optical filter. Such structure could compensate for the chromatic dispersion and the nonlinearity of the modulator simultaneously. In addition, by adjusting the states of polarization (SOPs) launching into the PM and the polarizer, the proposed scheme could also be reconfigured to mitigate the second harmonic nonlinearity induced by the photodetector. Experimental results show that the suppressions of the second-order and third-order intermodulation distortions (IMD2 & IMD3) are larger than 14-dB and 25.4-dB, respectively. Furthermore, the SFDR can achieve similar to 110-dB.Hz(4/5) for 40-km fiber transmission, which is 26-dB higher than that of the link without compensation. (C) 2013 Optical Society of America
引用
收藏
页码：20999 / 21009
页数：11
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