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5 September 2014 Ultrafast light-matter coupling in condensed and gaseous nonlinear media
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After a brief historical review, we describe recent research in the study of tera-Watt class femtosecond lasers propagating in air and condensed media. Here critical self-focusing of the light field reflects the presence of a famous singularity (blow-up in finite time) in the governing Nonlinear Schrö dinger equation (NLS) — this contribution deals with moving into a regime where NLSE fails and more exact optical carrier resolved pulse propagators need to be developed and secondly, addresses the failure of well-established phenomenological nonlinear optical susceptibilities and their replacement by more fundamental quantum models.
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M. Kolesik, J. M. Brown, K. Schuh, S. W. Koch, and J. V. Moloney "Ultrafast light-matter coupling in condensed and gaseous nonlinear media", Proc. SPIE 9186, Fifty Years of Optical Sciences at The University of Arizona, 91860G (5 September 2014);

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