Leblond, Hervé; Sanchez, F.; Mel’nikov, I.V.; … - In: Mathematics and Computers in Simulation (MATCOM) 69 (2005) 3, pp. 378-388
The propagation of few-cycles optical pulses in a collection of two-level atoms is investigated beyond the traditional slowly varying envelope approximation. It is shown that in certain conditions, a femtosecond pulse can evolve into a stable spatiotemporal optical soliton.