We demonstrate a technique that determines the phase of the photon echo emission from spectrally resolved intensity data, without requiring phase stabilised input pulses. The validity is demonstrated using simulated data based on a model three level system with two-colour excitation.
Springer Series in Chemical Physics: Ultrafast Phenomena XVI: proceedings of the 16th International Conference on Ultrafast Phenomena, Stresa, Italy, 09-13 June 2008 / P. Corkum, S. Silvestri, K. A. Nelson, E. Riedle, R. W. Schoenlein (eds.), Vol. 92, pp. 962-964