Er:fiber-based femtosecond frequency comb stabilized to an Yb+ single-ion optical frequency standard

Author:

Koliada N A,Pivtsov V S,Kuznetsov S A,Filonov A A,Farnosov S A,Kolyada I M,Primakov D Yu,Dychkov A S,Kharenko D S,Zhdanov I S

Abstract

Abstract An erbium fiber-based femtosecond optical frequency comb stabilized to an Yb+ single-ion optical frequency standard was created. For the first time, a combination of an extra-cavity acousto-optic frequency modulator with fiber outputs and an intracavity electro-optic phase modulator based on a KTP crystal were used to stabilize offset frequency and one of the optical components of the Er:fiber femtosecond comb. As a result a locking bandwidth of 30 kHz for the optical comb offset frequency has been obtained. It is shown that the relative instability introduced by the stabilization and measurement systems into the output radio frequencies (in addition to the instability of the reference optical signal) is no worse than 5 × 10−14 for averaging times of 1 s and 2 × 10−16 for averaging times of 400 s.

Publisher

IOP Publishing

Subject

Physics and Astronomy (miscellaneous),Instrumentation

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