Optimization of Feedback-Loop Parameters in Thulium Optical Clocks at Synchronous Comparison

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Аннотация

Synchronous comparison of optical clocks using phase-coherent clock lasers makes it possible to determine the difference (ratio) of clock transition frequencies, which is not limited by the total noise of lasers in use. A detailed simulation of the comparison of two thulium optical clocks is performed using synchronous interrogation of atoms by the radiation of a common clock laser. Some critical parameters have been determined, specifically: the residual noncorrelated frequency and amplitude noises of test pulses and reading noises, which may deteriorate the comparison stability. At the same time, it is demonstrated that this way is insensitive to fluctuations in the number of atoms, calibration of feedback-loop parameters, individual ejections in measurement cycles, and fluctuations of laboratory magnetic field.

Авторлар туралы

D. Tregubov

Lebedev Physical Institute, Russian Academy of Sciences

Email: iaushev.mo@phystech.edu
Moscow, 119991 Russia

D. Provorchenko

Lebedev Physical Institute, Russian Academy of Sciences

Email: iaushev.mo@phystech.edu
Moscow, 119991 Russia

D. Mishin

Lebedev Physical Institute, Russian Academy of Sciences

Email: iaushev.mo@phystech.edu
Moscow, 119991 Russia

N. Kolachevskiy

Lebedev Physical Institute, Russian Academy of Sciences;International Center of Quantum Technologies

Email: iaushev.mo@phystech.edu
Moscow, 119991 Russia;Moscow, 121205 Russia

A. Golovizin

Lebedev Physical Institute, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: artem.golovizin@gmail.com
Moscow, 119991 Russia

Әдебиет тізімі

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