Distributed Raman amplification in phase coherent transfer of optical frequencies over long-haul and metro fiber links

被引：0

作者：

Bolognini, G. ^{[1
]}

Calonico, D. ^{[2
]}

Clivati, C. ^{[2
]}

Faralli, S. ^{[3
]}

Mura, A. ^{[2
]}

Levi, F. ^{[2
]}

机构：

[1] CNR, IMM Inst, I-40129 Bologna, Italy

[2] Ist Nazl Ric Metrol INRIM, I-10135 Turin, Italy

[3] Scuola Super Sant Anna, TeCIP Inst, I-56124 Pisa, Italy

来源：

2014 IEEE PHOTONICS CONFERENCE (IPC) | 2014年

关键词：

Raman scattering; time-frequency metrology; optical fibers; optical amplification;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper reports a study on distributed Raman amplification (DRA) in the phase-coherent transfer of narrow linewidth optical frequencies in single-mode fiber links. Both co- and counter-propagating amplification pump schemes have been investigated and with optimized input parameters, a coherent optical frequency at 1542 nm was transferred on a 305 km fiber. Moreover, we report on the successful use of DRA for the optical frequency transfer on a real 94 km telecom metro fiber link in presence of two ITU WDM data channels with an attained fractional frequency instability of 3.10(-19) at 1000 s.

引用

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页码：465 / 466

页数：2

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