典型文献
Low-loss microwave photonics links using hollow core fibres
文献摘要：
There are a host of applications in communications,sensing,and science,in which analogue signal transmission is preferred over today's dominant digital transmission.In some of these applications,the advantage is in lower cost,while in others,it lies in superior performance.However,especially for longer analogue photonics links(up to 10 s of km),the performance is strongly limited by the impairments arising from using standard single-mode fibres(SSMF).Firstly,the three key metrics of analogue links(loss,noise figure,and dynamic range)tend to improve with received power,but this is limited by stimulated Brillouin scattering in SSMF.Further degradation is due to the chromatic dispersion of SSMF,which induces radio-frequency(RF)signal fading,increases even-order distortions,and causes phase-to-intensity-noise conversion.Further distortions still,are caused by the Kerr nonlinearity of SSMF.We propose to address all of these shortcomings by replacing SSMFs with hollow-core optical fibres,which have simultaneously six times lower chromatic dispersion and several orders of magnitude lower nonlinearity(Brillouin,Kerr).We demonstrate the advantages in this application using a 7.7 km long hollow-core fibre sample,significantly surpassing the performance of an SSMF link in virtually every metric,including 15 dB higher link gain and 6dB lower noise figure.
文献关键词：
中图分类号：
作者姓名：
Xi Zhang;Zitong Feng;David Marpaung;Eric Numkam Fokoua;Hesham Sakr;John Richard Hayes;Francesco Poletti;David John Richardson;Radan Slavík
作者机构：
Optoelectronics Research Centre,University of Southampton,Southampton SO17 1BJ,UK;Laser Physics and Nonlinear Optics Group,Faculty of Science and Technology,MESA+Institute for Nanotechnology,University of Twente,Enschede 7500 AE,The Netherlands
文献出处：
引用格式：
[1]Xi Zhang;Zitong Feng;David Marpaung;Eric Numkam Fokoua;Hesham Sakr;John Richard Hayes;Francesco Poletti;David John Richardson;Radan Slavík-.Low-loss microwave photonics links using hollow core fibres)[J].光：科学与应用（英文版）,2022(08):1891-1902
A类：
SSMFs
B类：
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AB值：
0.556107
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