Sukhorukov, AndreyKivshar, Yuri2015-12-07May 21-261557528136http://hdl.handle.net/1885/21595We show that in specially designed nonlinear waveguides with phase-shifted Bragg gratings it is possible to realize the frequency-independent spatial diffraction in the vicinity of band-gap, allowing for efficient spatio-temporal self-trapping of slow-light bullets.Keywords: Electron optics; Lasers; Projectiles; Quantum electronics; Waveguides; Grating waveguides; Light bullets; Nonlinear waveguides; Slow lights; Spatial diffractions; Spatio temporals; Light200610.1109/CLEO.2006.46288042016-02-24