Abstract
Self-phase-modulation of ultrashort THz pulses was observed in lithium niobate at the 100 MW/cm2 intensity level. The effect, observed in time and frequency domains, suggests 1000x larger nonlinear index n2 than at visible wavelengths.
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Hebling, J., Hoffmann, M.C., Yeh, KL., Tóth, G., Nelson, K.A. (2009). Nonlinear Lattice Response Observed Through Terahertz SPM. In: Corkum, P., Silvestri, S., Nelson, K., Riedle, E., Schoenlein, R. (eds) Ultrafast Phenomena XVI. Springer Series in Chemical Physics, vol 92. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-95946-5_211
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DOI: https://doi.org/10.1007/978-3-540-95946-5_211
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