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We demonstrate a novel scheme for improved feed-forward CEP stabilization of laser amplifiers. Synthesized acoustic few-cycle transients are used to stabilize the CEP of an optical pulse train at the amplifier repetition rate.
We discuss the appearance of saturating higher-order Kerr contributions at extreme intensities inside dielectric solid-state materials. A complete theoretical framework for estimations of these effects is presented together with experimental results.
Measurement and stabilization of the carrier-envelope phase (CEP) drift of femtosecond pulse trains has found widespread application in frequency metrology and high-field nonlinear optics [1]. Stabilization of the CEP is typically accomplished in a feedback loop, acting on the pump power with a wide-bandwidth modulator. This stabilization strongly relies on the fact that a change of intracavity laser...
We experimentally demonstrate that the carrier-envelope-frequency noise of stabilized mode-locked lasers can be a up to a factor 30 below the noise that should arise already from shot-noise-level fluctuations of its pump laser.
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