Monolithic carrier-envelope phase-stabilization scheme |
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Authors: | Fuji Takao Rauschenberger Jens Apolonski Alexander Yakovlev Vladislav S Tempea Gabriel Udem Thomas Gohle Christoph Hänsch Theodor W Lehnert Walter Scherer Michael Krausz Ferenc |
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Affiliation: | Photonics Institute, Vienna University of Technology, Gusshausstrasse 27/387, A-1040 Vienna, Austria. tkf@mpq.mpg.de |
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Abstract: | A new scheme for stabilizing the carrier-envelope (CE) phase of a few-cycle laser pulse train is demonstrated. Self-phase modulation and difference-frequency generation in a single periodically poled lithium niobate crystal that transmits the main laser beam allows CE phase locking directly in the usable output. The monolithic scheme obviates the need for splitting off a fraction of the laser output for CE phase control, coupling into microstructured fiber, and separation and recombination of spectral components. As a consequence, the output yields 6-fs, 800-nm pulses with an unprecedented degree of short- and long-term reproducibility of the electric field waveform. |
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