Three-Dimensional Light Bullets in Arrays of Waveguides

Details Three-Dimensional Light Bullets in Arrays of Waveguides Three-Dimensional Light Bullets in Arrays of Waveguides

2011-01-04

arxiv.org/abs/1101.0734v1

Phys. Rev. Lett. 105, 263901 (2010)

Physics

Optics

4 pages, 5 figures - Published by the American Physical Society

Scientific paper

10.1103/PhysRevLett.105.263901

We report the first experimental observation of 3D-LBs, excited by femtosecond pulses in a system featuring quasi-instantaneous cubic nonlinearity and a periodic, transversally-modulated refractive index. Stringent evidence of the excitation of LBs is based on time-gated images and spectra which perfectly match our numerical simulations. Furthermore, we reveal a novel evolution mechanism forcing the LBs to follow varying dispersion/diffraction conditions, until they leave their existence range and decay.

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