We report the observation of noise-initiated modulational instability in AlGaAs slab waveguides at 1.55 µm . Experiments were performed with the local, ultrafast Kerr nonlinearity at half the bandgap. The agreement between experiment and theory for the periodicity versus intensity was good.
© 2001 Optical Society of America
Roman Malendevich, Ladislav Jankovic, George Stegeman, and J. Stewart Aitchison, "Spatial modulation instability in a Kerr slab waveguide," Opt. Lett. 26, 1879-1881 (2001)