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Proceedings Paper

Carrier-envelope offset frequency stabilization of an ultrafast semiconductor laser
Author(s): Nayara Jornod; Kutan Gürel; Valentin J. Wittwer; Pierre Brochard; Sargis Hakobyan; Stéphane Schilt; Dominik Waldburger; Ursula Keller; Thomas Südmeyer
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Paper Abstract

We present the self-referenced stabilization of the carrier-envelope offset (CEO) frequency of a semiconductor disk laser. The laser is a SESAM-modelocked VECSEL emitting at a wavelength of 1034 nm with a repetition frequency of 1.8 GHz. The 270-fs pulses are amplified to 3 W and compressed to 120 fs for the generation of a coherent octavespanning supercontinuum spectrum. A quasi-common-path f-to-2f interferometer enables the detection of the CEO beat with a signal-to-noise ratio of ~30 dB sufficient for its frequency stabilization. The CEO frequency is phase-locked to an external reference with a feedback signal applied to the pump current.

Paper Details

Date Published: 15 February 2018
PDF: 8 pages
Proc. SPIE 10515, Vertical External Cavity Surface Emitting Lasers (VECSELs) VIII, 105150K (15 February 2018);
Show Author Affiliations
Nayara Jornod, Univ. de Neuchâtel (Switzerland)
Kutan Gürel, Univ. de Neuchâtel (Switzerland)
Valentin J. Wittwer, Univ. de Neuchâtel (Switzerland)
Pierre Brochard, Univ. de Neuchâtel (Switzerland)
Sargis Hakobyan, Univ. de Neuchâtel (Switzerland)
Stéphane Schilt, Univ. de Neuchâtel (Switzerland)
Dominik Waldburger, ETH Zurich (Switzerland)
Ursula Keller, ETH Zurich (Switzerland)
Thomas Südmeyer, Univ. de Neuchâtel (Switzerland)

Published in SPIE Proceedings Vol. 10515:
Vertical External Cavity Surface Emitting Lasers (VECSELs) VIII
Juan L. Chilla, Editor(s)

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