Hollow-core fiber achieves time transfer stability of 0.2 ps at 1000 s over 91 km with time deviation under 80 ps, showing immunity to dispersion and nonlinearity compared to single-mode fiber.
Report on 3,143.6-km Time and Frequency Transfer Fiber Link with Ps-level Stability,
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Robust High-Precision Time Transfer over 91-km Hollow-Core Fiber: Immunity to Dispersion and Nonlinearity
Hollow-core fiber achieves time transfer stability of 0.2 ps at 1000 s over 91 km with time deviation under 80 ps, showing immunity to dispersion and nonlinearity compared to single-mode fiber.