同步比较下铊光时钟反馈回路参数的优化

IF 1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
D. O. Tregubov, D. I. Provorchenko, D. A. Mishin, N. N. Kolachevskii, A. A. Golovizin
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引用次数: 0

摘要

使用相位相干时钟激光器对光学时钟进行同步比较,可以确定时钟转换频率的差异(比率),这不受所使用激光器的总噪声的限制。利用普通时钟激光器的辐射对原子进行同步询问,对两个铊光学时钟的比较进行了详细的模拟。已经确定了一些关键参数,特别是:测试脉冲和读取噪声的残余非相关频率和振幅噪声,这可能会降低比较稳定性。同时,证明了这种方法对原子数的波动、反馈回路参数的校准、测量周期中的单个喷射和实验室磁场的波动不敏感。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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

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

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.

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来源期刊
CiteScore
1.90
自引率
9.10%
发文量
130
审稿时长
3-6 weeks
期刊介绍: Journal of Experimental and Theoretical Physics is one of the most influential physics research journals. Originally based on Russia, this international journal now welcomes manuscripts from all countries in the English or Russian language. It publishes original papers on fundamental theoretical and experimental research in all fields of physics: from solids and liquids to elementary particles and astrophysics.
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