We suggest a novel concept of diffraction management in waveguide arrays and predict the existence of discrete gap solitons that possess the properties of both conventional discrete and Bragg grating solitons. We demonstrate that one can control both the soliton velocity and the propagation direction by varying the input light intensity.
© 2002 Optical Society of America
Andrey A. Sukhorukov and YuriS. Kivshar, "Discrete gap solitons in modulated waveguide arrays," Opt. Lett. 27, 2112-2114 (2002)