一种用于对抗色散补偿光纤中色散诱导功率衰落的新方法。

A novel method for combating dispersion induced power fading in dispersion compensating fiber.

作者信息

Lebedev Alexander, Olmos J J Vegas, Iglesias Miguel, Forchhammer Søren, Monroy Idelfonso Tafur

机构信息

DTU Fotonik, Department of Photonics Engineering, DTU, Technical University of Denmark, Kgs. Lyngby, Denmark.

出版信息

Opt Express. 2013 Jun 3;21(11):13617-25. doi: 10.1364/OE.21.013617.

DOI:10.1364/OE.21.013617

PMID:23736614

Abstract

We experimentally investigate the performance of 60 GHz double sideband (DSB) radio over fiber (RoF) links that employ dispersion compensating fiber (DCF). Error free transmission of 3 Gbps signals over 1 m of wireless distance is reported. In order to overcome experimentally observed chromatic dispersion (CD) induced power fading of radio frequency (RF) signal, we propose a method for improvement of RF carrier-to-noise (C/N) ratio through introduction of a degree of RF frequency tunability. Overall results improve important aspects of directly modulated RoF systems and demonstrate the feasibility of high carrier frequency and wide bandwidth RF signals delivery in RoF links including DCF fiber. Error free performance that we obtain for 3 Gbps amplitude shift-keying (ASK) signals enables uncompressed high-definition 1080p video delivery.

摘要

我们通过实验研究了采用色散补偿光纤（DCF）的60吉赫兹双边带（DSB）光纤无线（RoF）链路的性能。报告了在1米无线距离上实现3吉比特每秒信号的无差错传输。为了克服实验中观察到的由色散（CD）引起的射频（RF）信号功率衰落，我们提出了一种通过引入一定程度的RF频率可调性来提高RF载波噪声（C/N）比的方法。总体结果改善了直接调制RoF系统的重要方面，并证明了在包括DCF光纤的RoF链路中传输高载波频率和宽带宽RF信号的可行性。我们为3吉比特每秒幅移键控（ASK）信号获得的无差错性能使得未压缩的高清1080p视频能够传输。