Planar-Waveguide External Cavity Laser Stabilization for an Optical Link With 10-19 Frequency Stability

被引:46
作者
Clivati, Cecilia [1 ]
Mura, Alberto
Calonico, Davide
Levi, Filippo
Costanzo, Giovanni A. [2 ]
Calosso, Claudio E. [1 ]
Godone, Aldo
机构
[1] Ist Nazl Ric Metrol INRiM, Opt Div, Turin, Italy
[2] Politecn Torino, Dipartimento Elettron, Turin, Italy
关键词
PHASE; UNCERTAINTY; NOISE;
D O I
10.1109/TUFFC.2011.2121
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
We stabilized the frequency of a compact planar-waveguide external cavity laser (ECL) on a Fabry-Perot cavity (FPC) through a Pound-Drever-Hall scheme. The residual frequency stability of the ECL is 10(-14), comparable to the stability achievable with a fiber laser (FL) locked to an FPC through the same scheme. We set up an optical link of 100 km, based on fiber spools, that reaches 10(-19) relative stability, and we show that its performances using the ECL or FL are comparable. Thus ECLs could serve as an excellent replacement for FLs in optical links where cost-effectiveness and robustness are important considerations.
引用
收藏
页码:2582 / 2587
页数:6
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