Optical-Frequency Transfer over a Single-Span 1840 km Fiber Link

被引：265

作者：

Droste, S. ^{[1
]}

Ozimek, F. ^{[2
,3
]}

Udem, Th. ^{[1
]}

Predehl, K. ^{[1
]}

Haensch, T. W. ^{[1
,4
]}

Schnatz, H. ^{[2
]}

Grosche, G. ^{[2
]}

Holzwarth, R. ^{[1
,5
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[2] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

[3] Univ Warsaw, Inst Expt Phys, Fac Phys, PL-00681 Warsaw, Poland

[4] Univ Munich, D-80799 Munich, Germany

[5] Menlo Syst GmbH, D-82152 Martinsried, Germany

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 11期

关键词：

STABILITY; NETWORK; CLOCKS;

D O I：

10.1103/PhysRevLett.111.110801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

To compare the increasing number of optical frequency standards, highly stable optical signals have to be transferred over continental distances. We demonstrate optical-frequency transfer over a 1840-km underground optical fiber link using a single-span stabilization. The low inherent noise introduced by the fiber allows us to reach short term instabilities expressed as the modified Allan deviation of 2 X 10(-15) for a gate time tau of 1 s reaching 4 X 10(-19) in just 100 s. We find no systematic offset between the sent and transferred frequencies within the statistical uncertainty of about 3 X 10(-19). The spectral noise distribution of our fiber link at low Fourier frequencies leads to a tau(-2) slope in the modified Allan deviation, which is also derived theoretically.

引用

页数：5

共 34 条

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