Flexible compensation of dispersion-induced power fading for multi-service RoF links based on a phase-coherent orthogonal lightwave generator

被引：23

作者：

Wu, Beilei ^{[1
,2
]}

Zhu, Ming ^{[2
]}

Xu, Mu ^{[2
]}

Wang, Jing ^{[2
]}

Wang, Muguang ^{[1
]}

Yan, Fengping ^{[1
]}

Jian, Shuisheng ^{[1
]}

Chang, Gee-Kung ^{[2
]}

机构：

[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network & Adv Telecommun EMC, Beijing, Peoples R China

[2] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

OPTICS LETTERS | 2015年 / 40卷 / 09期

基金：

中国国家自然科学基金;

关键词：

FIBER DISPERSION; MODULATION; SYSTEMS; SIGNALS;

D O I：

10.1364/OL.40.002103

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel technique to simultaneously compensate dispersion-induced power fading for multi-service radio-overfiber (RoF) links is proposed. At the central office (CO), a phase-coherent orthogonal lightwave generator (POLG) consisting of a polarization rotator (PR) and a single-driver Mach-Zehnder modulator (MZM) is used. By adjusting a polarization controller (PC) in the base station (BS), the phase difference between the orthogonal polarization carrier and two sidebands can be controlled, and the frequency response can be flexibly shifted for individual radio frequency (RF) service. We experimentally shift the destructive interference to the constructive interference at various frequencies for 25 km and 30 km fiber links. The performances of two services carrying 1 Gb/s on-off keying (OOK) data at 9 GHz and 16.6 GHz over a 30 km fiber in the proposed system show receiver sensitivity improvement of similar to 12 dB at the bit error rate (BER) of 10(-3) compared with the conventional double sideband (DSB) modulation case. (C) 2015 Optical Society of America

引用

页码：2103 / 2106

页数：4

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