{"title":"Channel Characterisation for Underwater Optical Wireless Vertical Links","authors":"Alessandro Ugolini, Federica Poli, Daniele Croce, Stefano Mangione","doi":"10.1049/ote2.70007","DOIUrl":null,"url":null,"abstract":"<p>We provide a detailed description of depth-dependent effects that affect the propagation of light in underwater optical wireless communication links. Absorption and scattering properties of water are evaluated for realistic chlorophyll profiles versus depth for all the visible spectrum, with particular attention to the wavelengths corresponding to practically feasible laser sources. Results show which visible wavelength is the less affected by propagation loss in specific water conditions, thus being the most suitable to improve the performance of vertical links in underwater optical wireless communications. The developed model is useful also to optimise the distribution of optical channels in systems based on dense wavelength division multiplexing technology, according to the type of water and the depth reached in the vertical communication link.</p>","PeriodicalId":13408,"journal":{"name":"Iet Optoelectronics","volume":"19 1","pages":""},"PeriodicalIF":2.3000,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/ote2.70007","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iet Optoelectronics","FirstCategoryId":"94","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1049/ote2.70007","RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
We provide a detailed description of depth-dependent effects that affect the propagation of light in underwater optical wireless communication links. Absorption and scattering properties of water are evaluated for realistic chlorophyll profiles versus depth for all the visible spectrum, with particular attention to the wavelengths corresponding to practically feasible laser sources. Results show which visible wavelength is the less affected by propagation loss in specific water conditions, thus being the most suitable to improve the performance of vertical links in underwater optical wireless communications. The developed model is useful also to optimise the distribution of optical channels in systems based on dense wavelength division multiplexing technology, according to the type of water and the depth reached in the vertical communication link.
期刊介绍：
IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays.
Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues.
IET Optoelectronics covers but is not limited to the following topics:
Optical and optoelectronic materials
Light sources, including LEDs, lasers and devices for lighting
Optical modulation and multiplexing
Optical fibres, cables and connectors
Optical amplifiers
Photodetectors and optical receivers
Photonic integrated circuits
Nanophotonics and photonic crystals
Optical signal processing
Holography
Displays
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