Long-term carrier-envelope-phase stabilization of a femtosecond laser by the direct locking method

Optics Express
Jae-Hwan LeeChang Hee Nam

Abstract

We have developed a practical solution to implement the direct locking method for the carrier-envelope phase (CEP) stabilization of femtosecond laser pulses and achieved 24-hour CEP stabilization without realignment of any optical components. The direct locking method realizes the CEP stabilization in the time domain by directly quenching the beat signal from an f-to-2f interferometer and, thereby, locking every pulse to a same CEP. We have accomplished the long-term CEP stabilization using commercially available standard feedback electronics, and maintained the CEP stabilization with low jitter without using any frequency-analyzing components, greatly facilitating the accessibility of the CEP stabilization.

References

May 27, 2006·Optics Letters·Etienne GagnonArvinder S Sandhu
Oct 21, 2006·Science·G SansoneM Nisoli
Mar 16, 2007·Physical Review Letters·Martin M BoydJun Ye
Aug 11, 2007·Science·E GoulielmakisF Krausz
Apr 18, 2005·Optics Express·Yong Soo LeeKyung-Han Hong
Nov 13, 2006·Optics Express·Chengquan LiGerhard G Paulus
Dec 15, 1996·Optics Letters·L XuT W Hänsch

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