Physics – Optics
Scientific paper
2009-02-05
Physics
Optics
17 pages, 4 figures A scale error in the index perturbation vs average power dependence has been fixed
Scientific paper
We introduce a new form of stable spatio-temporal self-trapped optical packets stemming from the interplay of local and nonlocal nonlinearities. Pulsed self-trapped light beams in media with both electronic and molecular nonlinear responses are addressed to prove that spatial and temporal effects can be decoupled, allowing for independent tuning. We numerically demonstrate that (3+1)D light bullets and anti-bullets, i. e. bright and dark temporal solitons embedded in stable (2+1)D nonlocal spatial solitons, can be generated in reorientational media under experimentally feasible conditions.
Assanto Gaetano
Burgess Ian Bruce
Morandotti Roberto
Peccianti Marco
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