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Carrier-Envelope Offset Frequency Stabilization of a Thin-Disk Laser Oscillator via Depletion Modulation
Auteur(s)
Andrade, José R. C
Tajalli, Ayhan
Dietrich, Christian M
Kleinert, Sven
Placzek, Fabian
Kreipe, Bernhard
Morgner, Uwe
In
IEEE Photonics Journal, IEEE, 2020/12/2/1-9
Résumé
We present a novel concept for the stabilization of the carrier-envelope offset (CEO) frequency of femtosecond pulse trains from thin-disk laser oscillators by exploiting gain depletion modulation in the active gain region. We shine a small fraction of the laser output power back onto the thin disk allowing the population inversion in the gain medium to be controlled. We employ this technique in our home-built Kerr-lens mode-locked Yb:YAG thin-disk laser and benchmark the performance against the proven technique of pump current modulation for CEO stabilization, showing that the two techniques have equivalent performance. The new method which only requires an additional AOM demonstrates a scalable and cost-effective method for CEO stabilization of high-power laser oscillators.
Identifiants
Type de publication
journal article
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