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  4. Cross-influence between the two servo-loops of a fully-stabilized Er:fiber optical frequency comb
 
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Cross-influence between the two servo-loops of a fully-stabilized Er:fiber optical frequency comb

Auteur(s)
Dolgovskiy, Vladimir 
Institut de physique 
Bucalovic, Nikola 
Institut de physique 
Thomann, Pierre 
Institut de physique 
Schori, Christian 
Institut de physique 
Di Domenico, Gianni 
Institut de physique 
Schilt, Stephane 
Institut de physique 
Date de parution
2012-9-28
In
J. Opt. Soc. America B
Vol.
10
No
29
De la page
2944
A la page
2957
Mots-clés
  • Metrology
  • Mode-locked lasers
  • Ultrafast lasers
  • Laser stabilization
  • Metrology

  • Mode-locked lasers

  • Ultrafast lasers

  • Laser stabilization

Résumé
We present a study of the impact of the cross-coupling between the two servo loops used to stabilize the repetition rate frep and the carrier-envelope offset (CEO) frequency fCEO in a commercial Er:fiber frequency comb, based on the combination of experimental measurements and a model of the coupled loops. The developed theoretical model enables us to quantify the influence of the servo-loop coupling on an optical comb line, by simulating the hypothetic case where no coupling would be present. Numerical values for the model were obtained from an extensive characterization of the comb, in terms of frequency noise and dynamic response to a modulation applied to each actuator, for both frep and fCEO. To validate the model, the frequency noise of an optical comb line at 1.56 μm was experimentally measured from the heterodyne beat between the comb and a cavity-stabilized ultranarrow-linewidth laser and showed good agreement with the calculated noise spectrum. The coupling between the two stabilization loops results in a more than 10-fold reduction of the comb mode frequency noise power spectral density in a wide Fourier frequency range.
Lié au projet
Fundamental metrology with laser-cooled atoms and optical frequency combs 
Identifiants
https://libra.unine.ch/handle/123456789/20503
Autre version
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-10-2944
Type de publication
journal article
Dossier(s) à télécharger
 main article: 2014-04-28_850_9047.pdf (1.07 MB)
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