Cascaded optical fiber link using the internet network for remote clocks comparison

被引：87

作者：

Chiodo, Nicola ^{[1
]}

Quintin, Nicolas ^{[1
]}

Stefani, Fabio ^{[1
,2
]}

Wiotte, Fabrice ^{[1
]}

Camisard, Emilie ^{[3
]}

Chardonnet, Christian ^{[1
]}

Santarelli, Giorgio ^{[4
,5
]}

Amy-Klein, Anne ^{[1
]}

Pottie, Paul-Eric ^{[2
]}

Lopez, Olivier ^{[1
]}

机构：

[1] Univ Paris 13, Sorbonne Paris Cite, CNRS, Phys Lasers Lab, F-93430 Villetaneuse, France

[2] UPMC, Observ Paris, Lab Natl Metrol & Essais Syst References Temps Es, UMR 8630,CNRS, F-75014 Paris, France

[3] RENATER, F-75013 Paris, France

[4] Univ Bordeaux, Lab Photon Numer & Nanosci, Grad Sch, UMR 5298,Inst Opt, F-33400 Talence, France

[5] CNRS, F-33400 Talence, France

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 26期

关键词：

FREQUENCY TRANSFER; TELECOMMUNICATION NETWORK; COHERENT TRANSFER; STABILIZATION; UNCERTAINTY; METROLOGY; COUNTERS; LEVEL;

D O I：

10.1364/OE.23.033927

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a cascaded optical link of 1100 km for ultra-stable frequency distribution over an Internet fiber network. The link is composed of four spans for which the propagation noise is actively compensated. The robustness and the performance of the link are ensured by five fully automated optoelectronic stations, two of them at the link ends, and three deployed on the field and connecting the spans. This device coherently regenerates the optical signal with the heterodyne optical phase locking of a low-noise laser diode. Optical detection of the beat-note signals for the laser lock and the link noise compensation are obtained with stable and low-noise fibered optical interferometer. We show 3.5 days of continuous operation of the noise-compensated 4-span cascaded link leading to fractional frequency instability of 4x10(-16) at 1-s measurement time and 1x10(-19) at 2000 s. This cascaded link was extended to 1480-km with the same performance. This work is a significant step towards a sustainable wide area ultra-stable optical frequency distribution and comparison network at a very high level of performance. (C) 2015 Optical Society of America

引用

页码：33927 / 33937

页数：11

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