We characterize the Auger decay of core-shell excitations in Krypton atoms in an all-photonic fashion, using a novel attosecond EUV pump - attosecond optical probe scheme. An intuitive model, where the optical field acts as a temporal amplitude and phase gate on the EUV excited dipole, is used to retrieve the Auger core-hole decay time.

© 2014 Optical Society of America

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