title: Accessing Extreme Spatiotemporal Localization of High-Power Laser Radiation through Transformation Optics and Scalar Wave Equations.
abstract: Although tightly focused intense ultrashort laser pulses are used in many applications from nano-processing to warm dense matter physics, their nonparaxial propagation implies the use of numerical simulations with vectorial wave equations or exact Maxwell solvers that have serious limitations and thus have hindered progress in this important field up to now. Here we present an elegant and robust solution that allows one to map the problem on one that can be addressed by simple scalar wave equations. The solution is based on a transformation optics approach and its validity is demonstrated in both the linear and the nonlinear regime. Our solution allows accessing challenging problems of extreme spatiotemporal localization of high power laser radiation that remain almost unexplored theoretically until now.
authors: Science Program, Texas A&M University at Qatar, P.O. Box 23874 Doha, Qatar.|P. N. Lebedev Physical Institute of the Russian Academy of Sciences, 53 Leninskiy Prospekt, 119991 Moscow, Russia.
authors: V Yu
authors: VY
authors: Fedorov
authors: Aix Marseille University, CNRS, LP3, F-13288 Marseille, France.
authors: M
authors: M
authors: Chanal
authors: Aix Marseille University, CNRS, LP3, F-13288 Marseille, France.
authors: D
authors: D
authors: Grojo
authors: Science Program, Texas A&M University at Qatar, P.O. Box 23874 Doha, Qatar.|Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), P.O. Box 1527, GR-71110 Heraklion, Greece.|Materials Science and Technology Department, University of Crete, 71003 Heraklion, Greece.
authors: S
authors: S
authors: Tzortzakis