Dissemination stability and phase noise characteristics in a cascaded, fiber-based long-haul radio frequency dissemination network

被引：28
作者：
Gao, C. [1 ,2 ]
Wang, B. [1 ,2 ]
Zhu, X. [1 ,3 ]
Yuan, Y. B. [1 ,3 ]
Wang, L. J. [1 ,2 ,3 ,4 ]
机构：
[1] Tsinghua Univ, Joint Inst Measurement Sci, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[4] Natl Inst Metrol, Beijing 100013, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2015年 / 86卷 / 09期
关键词：
OPTICAL-FREQUENCY; TIME TRANSFER; LINK; SYNCHRONIZATION;
D O I：
10.1063/1.4931395
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
To study the dissemination stability and phase noise characteristics of the cascaded fiber-based RF dissemination, we perform an experiment using three sets of RF modulated frequency dissemination systems. The experimental results show that the total transfer stability of the cascaded system can be given by sigma(2)(T) = Sigma(N)(i=1) sigma(2)(i) (sigma(i) is the frequency dissemination stability of the ith segment and N is the quantity of segments). Furthermore, for each segment, the phase noise of recovered frequency signal is also measured. The results show that for an N-segment, cascaded dissemination system, its stability degrades only by a factor of root N. This sub-linear relation makes the cascaded, RF-dissemination method a very attractive one for long-haul, time and frequency dissemination network. (C) 2015 AIP Publishing LLC.
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页数：5
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