Indoor demonstration of free-space picosecond two-way time transfer on single photon level

Josef Blazej; Ivan Prochazka; Jan Kodet; Pavel Linhart

doi:10.1117/12.2062561

3 October 2014 Indoor demonstration of free-space picosecond two-way time transfer on single photon level

Josef Blazej, Ivan Prochazka, Jan Kodet, Pavel Linhart

Proceedings Volume 9224, Laser Communication and Propagation through the Atmosphere and Oceans III; 92241E (2014) https://doi.org/10.1117/12.2062561
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The practical demonstration of an optical two-way time transfer based on single photon signal level has been completed. This approach enables to reach extreme timing stabilities and minimal systematic errors using existing electrooptic technologies. The crucial condition to almost eliminate systematic errors and to reach picosecond time transfer accuracy over free space communication channel is the maximum symmetry in experimental setup. In our indoor experiment we have achieved sub-picosecond precison and 3 ps accuracy. The entire system is compact and relatively simple.

Citation Download Citation

Josef Blazej, Ivan Prochazka, Jan Kodet, and Pavel Linhart "Indoor demonstration of free-space picosecond two-way time transfer on single photon level", Proc. SPIE 9224, Laser Communication and Propagation through the Atmosphere and Oceans III, 92241E (3 October 2014); https://doi.org/10.1117/12.2062561

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