Turbulence-Resilient Reflective Fi-Wi-Fi Bridge for Terrestrial Free-Space Optical Data Links
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| Natura: | Recurso digital |
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Zenodo
2026
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| _version_ | 1866901992390000640 |
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| author | Honz, Florian Schrenk, Bernhard |
| author_facet | Honz, Florian Schrenk, Bernhard |
| contents | <p><span>Free-space optical (FSO) links enable a seamless extension of the fiber-grade bandwidth continuum in fiber-scarce environments. Towards this, we present a bidirectional fiber-wirelessfiber link that bridges the gap between two single-mode fiber ports. We utilize simple focal plane array beamformers that host 91 antenna elements on a fiber tip to ensure the optimal coupling of light in terrestrial point-to-point FSO links, for which hybrid space / wavelength-switched beamforming networks are employed to enable centralized control. The asymmetric complexity distribution in the FSO link layout is further enhanced through a reflective, source-less tail-end equipment and wavelength re-use to accomplish full-duplex 10 Gb/s data transmission with simultaneous channel sounding in an adjacent waveband. Moreover, we propose and demonstrate a graceful migration path towards diversity reception through simple wavelength-set coding, which enables us to mitigate the effect of turbulence-induced signal fading on the data transmission.</span> </p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18780911 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Turbulence-Resilient Reflective Fi-Wi-Fi Bridge for Terrestrial Free-Space Optical Data Links Honz, Florian Schrenk, Bernhard <p><span>Free-space optical (FSO) links enable a seamless extension of the fiber-grade bandwidth continuum in fiber-scarce environments. Towards this, we present a bidirectional fiber-wirelessfiber link that bridges the gap between two single-mode fiber ports. We utilize simple focal plane array beamformers that host 91 antenna elements on a fiber tip to ensure the optimal coupling of light in terrestrial point-to-point FSO links, for which hybrid space / wavelength-switched beamforming networks are employed to enable centralized control. The asymmetric complexity distribution in the FSO link layout is further enhanced through a reflective, source-less tail-end equipment and wavelength re-use to accomplish full-duplex 10 Gb/s data transmission with simultaneous channel sounding in an adjacent waveband. Moreover, we propose and demonstrate a graceful migration path towards diversity reception through simple wavelength-set coding, which enables us to mitigate the effect of turbulence-induced signal fading on the data transmission.</span> </p> |
| title | Turbulence-Resilient Reflective Fi-Wi-Fi Bridge for Terrestrial Free-Space Optical Data Links |
| url | https://doi.org/10.5281/zenodo.18780911 |