We demosntrate a scheme for efficient switching and routing of low-power signals in waveguide arrays with second-order nonlinearity. With control beams the signal can be switched to different output positions and can be simultaneously converted to another wavelength with low cross talk.
© 2003 Optical Society of America
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
Thomas Pertsch, Ulf Peschel, and Falk Lederer, "All-optical switching in quadratically nonlinear waveguide arrays," Opt. Lett. 28, 102-104 (2003)