Femtosecond time synchronization of optical clocks off of a flying quadcopter

HIGHLIGHTS

• who: Hugo Bergeron from the National Institute have published the Article: Femtosecond time synchronization of optical clocks off of a flying quadcopter, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS of 10/Dec/2018
• what: The authors demonstrate an advanced comb-based O-TWTFT to synchronize clocks without penalty, despite strong effective closing velocities. The authors focus on the second critical challenge. To synchronize despite these signal fades, the authors implement a Kalman-filter-based loop filter as in | https://doi.org/10.1038/s41467-019-09768-9 ref 29. The authors demonstrate it is possible . . .
  

   

  

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