Long-term carrier-envelope phase stability from a grating-based, chirped pulse amplifier
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Updated: Aug 8, 2026

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Published on: July 12, 2017
Etienne Gagnon1, Isabell Thomann, Ariel Paul
1Department of Physics and JILA, and NSF Engineering Research Center in EUV Science and Technology, University of Colorado and NIST, Boulder, 80309-0440, USA.
Abstract:
We demonstrate a carrier-envelope phase (CEP) stabilized, chirped pulse laser amplifier that exhibits greatly improved intrinsic long-term CEP stability compared with that of other amplifiers. This system employs a grating-based stretcher and compressor and a cryogenically cooled laser amplifier. Single-shot carrier envelope phase noise measurements are also presented that avoid underestimation of this parameter caused by fringe averaging and represent a rigorously accurate upper limit on CEP noise.

