We demonstrate joint 15.8-Tb/s transmission and distributed acoustic sensing over 585 km with 20 m spatial resolution using bidirectional repeater units, achieving a strain noise <0.4 nε/√Hz. The link includes 90 km of field-deployed fiber.
DAS over a 585-km EDFA-repeatered Link with Co-propagating 15.8-Tb/s Transmission
Orsuti D.;Cappelletti M.;Schenato L.;Galtarossa A.;Palmieri L.;
2026
Abstract
We demonstrate joint 15.8-Tb/s transmission and distributed acoustic sensing over 585 km with 20 m spatial resolution using bidirectional repeater units, achieving a strain noise <0.4 nε/√Hz. The link includes 90 km of field-deployed fiber.
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