Low-Noise Carrier-Envelope-Offset-Stabilized Yb:CaF2 Oscillator

We demonstrate a carrier-envelope-offset-stabilized, self-referenceable Yb:CaF 2 oscillator pumped by a single-mode laser diode. By exploiting mode-locking regime based on simultaneous action of the SESAM and the Kerr lens effect we achieved self-starting generation of 85 fs pulses with a peak power...

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Veröffentlicht in:IEEE photonics technology letters 2020-07, Vol.32 (13), p.823-826
Hauptverfasser: Kowalczyk, Maciej, Hudzikowski, Arkadiusz, Porebski, Michal, Sotor, Jaroslaw
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Sprache:eng
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Zusammenfassung:We demonstrate a carrier-envelope-offset-stabilized, self-referenceable Yb:CaF 2 oscillator pumped by a single-mode laser diode. By exploiting mode-locking regime based on simultaneous action of the SESAM and the Kerr lens effect we achieved self-starting generation of 85 fs pulses with a peak power approaching 47 kW. The carrier-envelope offset detection scheme was based on a standard f -to- 2f interferometer with a spectral broadening in a highly nonlinear photonic crystal fiber. By employing a pump current feedback locking technique we achieved an in-loop integrated phase noise reaching 67 mrad in the 1 Hz - 1 MHz range. This exceptionally stable operation was enabled by a single-mode pump diode exhibiting intrinsically low-noise characteristics.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2020.2998286