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Südmeyer, Thomas

Nom
Südmeyer, Thomas
Affiliation principale
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Email
thomas.sudmeyer@unine.ch
Identifiants
https://libra.unine.ch/handle/123456789/816

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  • Publication
    Accès libre
    Sub-60-fs Timing Jitter of a SESAM Modelocked VECSEL
    Wittwer, V.J
    ;
    van der Linden, R
    ;
    Tilma, Bauke W
    ;
    Resan, B
    ;
    Weingarten, K. J
    ;
    Südmeyer, Thomas 
    ;
    Keller, Ursula
    We present noise measurements of a pulse train emitted from an actively stabilized semiconductor-saturable-absorber-mirror (SESAM) modelocked vertical external cavity surface emitting laser (VECSEL). The laser generated 6-ps pulses with 2-GHz pulse-repetition rate and 40-mW average output power. The repetition rate was phase locked to a reference source using a piezo actuator. The timing phase noise power spectral density of the laser output was detected with a highly linear photodiode and measured with a signal source analyzer. The resulting RMS timing jitter integrated over an offset frequency range from 1 Hz to 100 MHz gives a value of below 60 fs, lower than previous modelocked VECSELs and comparable with the noise performance of ion-doped solid-state lasers. The RMS amplitude noise was below 0.4% (1 Hz to 40 MHz) and not influenced by the timing phase stabilization.