Low loss and broadband low back-reflection interconnection between a hollow-core and standard single-mode fiber

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F22%3A00359964" target="_blank" >RIV/68407700:21230/22:00359964 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1364/OE.460635" target="_blank" >https://doi.org/10.1364/OE.460635</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/OE.460635" target="_blank" >10.1364/OE.460635</a>

Result language
angličtina
Original language name
Low loss and broadband low back-reflection interconnection between a hollow-core and standard single-mode fiber
Original language description
We report simultaneous low coupling loss (below 0.2 dB at 1550 nm) and low back-reflection (below -60 dB in the 1200-1600 nm range) between a hollow core fiber and standard single mode optical fiber obtained through the combination of an angled interface and an anti-reflective coating. We perform experimental optimization of the interface angle to achieve the best combination of performance in terms of the coupling loss and back-reflection suppression. Furthermore, we examine parasitic cross-coupling to the higher-order modes and show that it does not degrade compared to the case of a flat interface, keeping it below -30 dB and below -20 dB for LP11 and LP02 modes, respectively.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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