Optically Controlled Delay Lines by Pulse Self-Trapping in Parametric Waveguides with Distributed Feedback

M. De Sario, C. Conti, and G. Assanto

IEEE J. Quantum Electron. 36, 931-943(2000)


Quadratically nonlinear waveguides are studied in the presence of a Bragg grating resonant with one of the involved frequencies. In the case of second-harmonic generation and distributed feedback at the fundamental, we investigate the existence and features of two-color gap-solitary waves, focusing on controlling their propagation speed. This leads to conceive optically controlled delay lines and retiming schemes for pulse streams in communication systems.