Femtosecond-Level Frequency Transfer at 10 GHz over Long Fiber Link with Optical-Electronic Joint Compensation

被引：2

作者：

Huang, Wantao ^{[1
,2
]}

Li, Yang ^{[3
]}

Zhang, Peng ^{[4
]}

Fang, Lujun ^{[4
]}

Hou, Dong ^{[4
]}

机构：

[1] Guangzhou Univ, Math & Informat Sci, Guangzhou 510006, Peoples R China

[2] Kaili Univ, Coll Sci, Kaili 556099, Peoples R China

[3] Inst Southwestern Commun, Sci & Technol Commun Secur Lab, Chengdu 610041, Peoples R China

[4] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 21期

基金：

中国国家自然科学基金;

关键词：

frequency transfer; fiber link; optical-electronic joint compensation; timing fluctuation; HIGH-STABILITY; URBAN FIBER; RADIOFREQUENCY DISSEMINATION; TIMING JITTER; PHASE; SYNCHRONIZATION; TIME; DELIVERY; NETWORK; SIGNALS;

D O I：

10.3390/app122111262

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a fiber-optic 10 GHz frequency transfer technique based on an optical-electronic joint phase compensator. A highly stable frequency signal at 10 GHz was transferred in a 50-km long fiber link by using this technique. Two key parameters of the frequency dissemination, the timing fluctuation and frequency stability were both measured. The experimental results show the root-mean-square timing fluctuation of the transferred microwave is about 103 fs within 10,000 s, and the frequency stability for the transmission link is 2.2 x 10(-14) at 1 s and 8.5 x 10(-17) at 2000 s. The technique proposed in this paper provides a powerful tool which can be used to transfer atomic clocks (e.g., commercial H-master and Cs clocks) in a long fiber link.

引用

页数：10

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