J.S. Aitchison

TL;DR: In this paper, the authors reported the observation of discrete spatial optical solitons in an array of 41 waveguides, where light was coupled to the central waveguide and when sufficient power was injected, the field was localized close to the input waveguiders and its distribution was successfully described by the discrete nonlinear Schrodinger equation.

TL;DR: In this paper, the authors experimentally demonstrate the occurrence of optical Bloch oscillations in a waveguide array with linearly growing effective index of the individual guides and observe a periodic transverse motion of the field and complete recovery of the initial excitation.

TL;DR: The observation of spatial optical solitons due to the Kerr nonlinearity in a planar glass waveguide and measurements of the nonlinear response obtained by placing a pinhole at the output of the waveguide are reported.

TL;DR: In this article, the effect of the Peierls-Nabarro potential has been observed in a macroscopic system with discrete solitons, where the initial excitation is not centered on a waveguide.

TL;DR: In this paper, the dispersion of the nonlinear refractive index coefficient, n/sub 2/, is measured for both TE- and TM-polarized light and the implications for all-optical switching and spatial soliton propagation are discussed.