Time transfer capability of standard small form factor pluggable laser modules based on photon counting approach

Pavel Trojanek; Ivan Prochazka; Josef Blazej

doi:10.1117/12.2266001

15 May 2017 Time transfer capability of standard small form factor pluggable laser modules based on photon counting approach

Pavel Trojanek, Ivan Prochazka, Josef Blazej

Author Affiliations +

Proceedings Volume 10229, Photon Counting Applications 2017; 102290S (2017) https://doi.org/10.1117/12.2266001
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

Abstract

We are reporting on timing parameters of commonly used standard Small Form Factor Pluggable (SFP) laser modules using single photon counting method. Photon counting is a promising approach for laser time transfer via optical fiber communication hardware. The sub-picosecond precision and stability may be achieved. We have performed several experiments with the aim to measure main parameters of the modules, such as time delay precision, time stability and temperature stability, all being critical for optical time transfer applications. Two standard 16 and 10 Gbit/s at 850 nm SFP modules were examined. The ultimate precision of possible time transfer of 800 fs for averaging times of hours was achieved. The modules together with their driving circuits exhibited very good temperature stability. The temperature drift as low as 300±200 fs/K was measured. The achieved timing parameters will enable to use the standard SFP modules for a new method of two way time transfer where the time differences between two distant time scales are measured in parallel to data transfer on existing optical data links without any communication interference.

Citation Download Citation

Pavel Trojanek, Ivan Prochazka, and Josef Blazej "Time transfer capability of standard small form factor pluggable laser modules based on photon counting approach", Proc. SPIE 10229, Photon Counting Applications 2017, 102290S (15 May 2017); https://doi.org/10.1117/12.2266001

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