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9 September 2011 Temporally shaping ultrafast light with metamaterials
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Abstract
Coherent excitation in optical spectroscopy and control of photo-induced processes like second harmonic generation depend on the temporal properties of ultrafast pulses. In particular, the generation of coherent pulse trains with high repetition rate from femtosecond sources increases both nonlinear signals and the coherent excitation of resonances in molecules. In this work, we explore a Fano resonance type of metamaterial that has very large spectral dispersion properties that can be designed based on the geometry. These properties can affect both the temporal envelope and phase of each spectral component of an ultrafast pulse in useful ways and potentially lead to a means of generating high repetition rate pulse trains.
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Dean P. Brown and Augustine M. Urbas "Temporally shaping ultrafast light with metamaterials", Proc. SPIE 8093, Metamaterials: Fundamentals and Applications IV, 809315 (9 September 2011); https://doi.org/10.1117/12.895547
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