Broadband chromatic-dispersion-induced power-fading compensation for radio-over-fiber links based on Hilbert transform

被引：17

作者：

Lei, Mingzheng ^{[1
]}

Zheng, Zhennan ^{[1
]}

Qian, Jinwang ^{[1
]}

Xie, Mutong ^{[1
]}

Bai, Yunping ^{[1
]}

Gao, Xinlu ^{[1
]}

Huang, Shanguo ^{[1
]}

机构：

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

来源：

OPTICS LETTERS | 2019年 / 44卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ANALOG PHOTONIC LINK; MICROWAVE;

D O I：

10.1364/OL.44.000155

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Hilbert-transform-based broadband chromatic dispersion (CD) compensation scheme for radio-over-fiber links is proposed and experimentally demonstrated. By constructing a Hilbert transform path, CD-induced phase shifts, which initially lead to periodic power fading of the output RF signals, are transferred to the phases of the RF signals. As a result, the powers of the output RF signals are free from the effect of CD in a broadband frequency range. Experimental results show that a flat normalized amplitude frequency response is actualized within 2-24 GHz, with only 3.02 dB/4.27 dB power fluctuation after transmission over an equivalent of a 38.6 km/43.6 km single-mode fiber. Besides, compared with a conventional dispersive path, the proposed CD compensation scheme significantly improves the third-order spurious-free dynamic range by 23.60 dB. (C) 2018 Optical Society of America

引用

页码：155 / 158

页数：4

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