Slow-light optical bullets in arrays of nonlinear Bragg-grating waveguides

Details Slow-light optical bullets in arrays of nonlinear Bragg-grating waveguides Slow-light optical bullets in arrays of nonlinear Bragg-grating waveguides

2006-05-23

arxiv.org/abs/physics/0605194v1

Phys. Rev. Lett. 97, 233901 (2006)

Physics

Optics

4 pages, 4 figures; available from http://link.aps.org/abstract/PRL/v97/e233901

Scientific paper

10.1103/PhysRevLett.97.233901

We demonstrate how to control independently both spatial and temporal dynamics of slow light. We reveal that specially designed nonlinear waveguide arrays with phase-shifted Bragg gratings demonstrate the frequency-independent spatial diffraction near the edge of the photonic bandgap, where the group velocity of light can be strongly reduced. We show in numerical simulations that such structures allow a great flexibility in designing and controlling dispersion characteristics, and open a way for efficient spatiotemporal self-trapping and the formation of slow-light optical bullets.

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