Intermodulation distortion suppression for intensity-modulated analog fiber-optic link incorporating optical carrier band processing

被引：57

作者：

Cui, Yan ^{[1
]}

Dai, Yitang ^{[1
]}

Yin, Feifei ^{[1
]}

Dai, Jian ^{[2
]}

Xu, Kun ^{[1
]}

Li, Jianqiang ^{[1
]}

Lin, Jintong ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] East China Res Inst Elect Engn, Hefei 230031, Anhui, Peoples R China

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 20期

关键词：

PHOTONIC LINKS; POLARIZATION;

D O I：

10.1364/OE.21.023433

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An intermodulation distortion suppression method based on the optical carrier band processing is demonstrated. A systematic analysis of the main optical spectrum contributors for the third-order intermodulation distortion in the nonlinear system is presented. Theoretical analysis shows that the third-order intermodulation distortion terms can cancel each other if a proper phase shifting is imposed to the optical carrier band. We experimentally demonstrate the approach with a two-tone test and a suppression of about 33 dB in the third-order intermodulation distortion is obtained. Experimental results show that an overall fundamental to third-order intermodulation distortion ratio of up to 64 dB is achieved and the link dynamic range is improved by 14.7 dB, compared with the conventional link without the proposed optical carrier band processing. (C) 2013 Optical Society of America

引用

页码：23433 / 23440

页数：8

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