Ultrafast amplifier additive timing jitter characterization and control

Abstract : We report on the characterization and long-term compensation of additive timing jitter introduced by a femtosecond ytterbium regenerative amplifier with a 100 kHz repetition rate. A balanced optical cross-correlation technique is used to generate a jitter error signal. This approach is well suited to characterize the additive timing jitter of Yb amplifiers seeded by narrow spectrum Yb oscillators. The balanced optical cross-correlator is in a noncollinear configuration allowing a background free coindence detection. This setup enables the measurement of additive timing jitter from the amplifier, with a noise floor of 300 as integrated from 10 Hz to 10 kHz. The measured additive timing jitter level is about 5 fs, integrated from 0.1 Hz to 10 kHz. The amplifier timing drift characterization and control are performed for more than an hour.
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Optics Letters, Optical Society of America, 2016, 41 (5), pp.898-900. 〈10.1364/OL.41.000898〉
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Alexis Casanova, Quentin D’acremont, Giorgio Santarelli, Stefan Dilhaire, Antoine Courjaud. Ultrafast amplifier additive timing jitter characterization and control. Optics Letters, Optical Society of America, 2016, 41 (5), pp.898-900. 〈10.1364/OL.41.000898〉. 〈hal-01300501〉

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