Enhanced-Reach Polarization Optical Time-Domain Reflectometry Technique for Fibre Optical Infrastructure Monitoring
Latvian Journal of Physics and Technical Sciences 2024
Jānis Braunfelds, Sandis Spolītis, Darja Čirjuļina, Armands Ostrovskis, Jurģis Poriņš, Lilita Ģēģere, Andis Supe

This interdisciplinary research is focused on constructing and demonstrating enhanced-reach polarization optical time-domain reflectometer (POTDR) for monitoring single-mode fibre optical communication lines. An optical signal state of polarization measurements enables several new possibilities for real-time monitoring solutions in fibre optics. However, there is no commercial equipment available to determine the location in fibre optical cable where the light polarization state changes. The authors present a monitoring technique of an optical signal state of polarization based on reflected signal time-amplitude analysis with improved operation parameters, namely, timing resolution (2 to 3 ps RMS) and amplitude measurement resolution of nanosecond scale pulses (8 to 10 bits) for monitoring of fibre optical communication lines. Additionally, the demonstrated POTDR provides a considerable optical fibre line measurement reach of up to 40 km.


Atslēgas vārdi
Optical fibres, optical state of polarization, polarization optical time-domain reflectometer (POTDR)
DOI
10.2478/lpts-2024-0011
Hipersaite
https://sciendo.com/article/10.2478/lpts-2024-0011

Braunfelds, J., Spolītis, S., Čirjuļina, D., Ostrovskis, A., Poriņš, J., Ģēģere, L., Supe, A. Enhanced-Reach Polarization Optical Time-Domain Reflectometry Technique for Fibre Optical Infrastructure Monitoring. Latvian Journal of Physics and Technical Sciences, 2024, Vol. 61, No. 2, 33.-43.lpp. ISSN 0868-8257. e-ISSN 2255-8896. Pieejams: doi:10.2478/lpts-2024-0011

Publikācijas valoda
English (en)
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