Physics – Optics
Scientific paper
2010-09-22
D. McCabe, D. Austin, A. Tajalli, S. Weber, I. Walmsley, and B. Chatel, "Space?time coupling of shaped ultrafast ultraviolet p
Physics
Optics
8 pages, 6 figures; accepted for publication within JOSA B
Scientific paper
10.1364/JOSAB.28.000058
A comprehensive experimental analysis of spatio-temporal coupling effects inherent to the acousto-optic programmable dispersive filter (AOPDF) is presented. Phase and amplitude measurements of the AOPDF transfer function are performed using spatially and spectrally resolved interferometry. Spatio-temporal and spatio-spectral coupling effects are presented for a range of shaped pulses that are commonly used in quantum control experiments. These effects are shown to be attributable to a single mechanism: a group-delay--dependent displacement of the shaped pulse. The physical mechanism is explained and excellent quantitative agreement between the measured and calculated coupling speed is obtained. The implications for quantum control experiments are discussed.
Austin Rodney R. D.
Chatel Béatrice
McCabe David J.
Tajalli Ayhan
Walmsley Ian A.
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