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Sub-60-fs Timing Jitter of a SESAM Modelocked VECSEL
Auteur(s)
Wittwer, V.J
van der Linden, R
Tilma, Bauke W
Resan, B
Weingarten, K. J
Keller, Ursula
In
Photonics Journal, IEEE, 2013/5/1/# 1400107
Résumé
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.
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Type de publication
journal article
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