scholarly journals Direct frequency comb optical frequency standard based on two-photon transitions of thermal atoms

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
S. Y. Zhang ◽  
J. T. Wu ◽  
Y. L. Zhang ◽  
J. X. Leng ◽  
W. P. Yang ◽  
...  
Keyword(s):  
Frequency Comb ◽  
Frequency Standard ◽  
Optical Frequency ◽  
Optical Frequency Standard ◽  
Two Photon

scholarly journals Direct phase-locking of a Ti:Sapphire optical frequency comb to a remote optical frequency standard

2019 ◽  
Vol 27 (11) ◽  
pp. 15649
Author(s):  
Eunmi Chae ◽  
Kota Nakashima ◽  
Takuya Ikeda ◽  
Kei Sugiyama ◽  
Kosuke Yoshioka
Keyword(s):  
Frequency Comb ◽  
Phase Locking ◽  
Frequency Standard ◽  
Optical Frequency Comb ◽  
Optical Frequency ◽  
Optical Frequency Standard

Two-Photon Spectroscopy in Rb for an Optical Frequency Standard

2015 ◽  
Author(s):  
Gretchen Phelps ◽  
Nathan Lemke ◽  
Chris Erickson ◽  
John Burke
Keyword(s):  
Frequency Standard ◽  
Optical Frequency ◽  
Optical Frequency Standard ◽  
Two Photon

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

2021 ◽  
Vol 19 (1) ◽  
pp. 015102
Author(s):  
N A Koliada ◽  
V S Pivtsov ◽  
S A Kuznetsov ◽  
A A Filonov ◽  
S A Farnosov ◽  
...  
Keyword(s):  
Frequency Comb ◽  
Frequency Standard ◽  
Optical Signal ◽  
Optical Frequency ◽  
Optical Frequency Standard ◽  
Measurement Systems ◽  
Frequency Modulator ◽  
Electro Optic ◽  
Locking Bandwidth ◽  
Offset Frequency

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.

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