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Single Photons Optical TwoWay Time Transfer Providing Picosecond Accuracy
Procházka, I. ; Blažej, J. ; Kodet, J. ; Pánek, Petr
We are reporting on a new approach to an optical two-way time transfer based on signals of individual photons. This approach enables to reach extreme timing stabilities and minimal systematic errors using existing electro-optic technologies. In our indoor experiment we have achieved sub-picosecond precison and 3 ps accuracy of a two-way time transfer via free space optical channel. The entire system is compact and simple. It is a perspective technique for space application, where it might provide picosecond accuracies over space distances

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