The control of pulses parameters under Bragg diffraction in linear and nonlinear photonic crystals

A. A. Skorynin, V. A. Bushuev, and B. I. Mantsyzov

Lomonosov Moscow State University , Russia

A theory for effect of the diffraction-induced pulse splitting (DIPS) under dynamical Bragg diffraction in photonic crystals (PC) in the Laue geometry has been developed. In this effect incident short laser pulse splits into two ones with different dispersion laws and spatial field distribution within the structure. In linear PC we demonstrated the way to control output pulses intensity and duration by changing a phase modulation of the incident signal. In PC with thin layers of cubically nonlinear impurities we predicted the possibility of the dispersion spreading compensation by nonlinear interaction and formation of soliton-like pulse with constant parameters.