Journal Article

PUBDB-2020-05242

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Flexible all-PM NALM Yb:fiber laser design for frequency comb applications: operation regimes and their noise properties

Mayer, A. S. (Corresponding author) ; Grosinger, W. ; Fellinger, J.Extern* ; Winkler, G. ; Perner, L. W. ; Droste, S.DESY* ; Salman, S. H.Extern* ; Li, C.DESY* ; Heyl, C. M. (Corresponding author)Extern*DESY* ; Hartl, I.DESY* ; Heckl, O. H. (Corresponding author)Extern*

2020
Soc. Washington, DC

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Please use a persistent id in citations: doi:10.1364/OE.394543

Abstract: We present a flexible all-polarization-maintaining (PM) mode-locked ytterbium(Yb):fiber laser based on a nonlinear amplifying loop mirror (NALM). In addition to providingdetailed design considerations, we discuss the different operation regimes accessible by thisversatile laser architecture and experimentally analyze five representative mode-locking states.These five states were obtained in a 78-MHz configuration at different intracavity group delaydispersion (GDD) values ranging from anomalous (-0.035 ps$^2$) to normal (+0.015 ps$^2$). We put aparticular focus on the characterization of the intensity noise as well as the free-running linewidthof the carrier-envelope-offset (CEO) frequency as a function of the different operation regimes.We observe that operation points far from the spontaneous emission peak of Yb (∼1030 nm) andclose to zero intracavity dispersion can be found, where the influence of pump noise is stronglysuppressed. For such an operation point, we show that a CEO linewidth of less than 10-kHz at1 s integration can be obtained without any active stabilization

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Contributing Institute(s):

1. Laser Forschung und Entwicklung (FS-LA)
2. externe Institute im Bereich Photon Science (HI Jena)

Research Program(s):

1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2020

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