M. Mazur, N. Fontaine, R. Ryf, Haoshuo Chen, Andrea Blanco Redondo
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Impulse Response Measurement of a Few-Mode Fiber Using Superconducting Nanowire Single-Photon Detectors
We use time-of-flight measurements of single photons to estimate the impulse response of a 96 km long few-mode fiber and obtain unparalleled sensitivity of -100 dBm with a 40 dB dynamic range using the high timing accuracy of superconducting nanowire single-photon detectors.