Article

# Exact dynamic localization in curved AlGaAs optical waveguide arrays.

Optics Express (Impact Factor: 3.55). 04/2007; 15(6):3212-23. DOI:10.1364/OE.15.003212

Source: PubMed

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**ABSTRACT:**We theoretically and experimentally study the nonlinear propagation of polychromatic light in curved waveguide arrays. We show that at moderate light powers the nonlinear self-action breaks the left-right symmetry of the polychromatic beam, resulting in the separation of different spectral components owing to the wavelength-dependent spatial shift. At high light powers a diffraction-managed polychromatic soliton is formed. These results demonstrate new possibilities for tunable demultiplexing and spatial filtering of supercontinuum light.Optics Letters 05/2010; 35(9):1371-3. · 3.39 Impact Factor - [show abstract] [hide abstract]

**ABSTRACT:**We propose a photonic realization of tunneling control for two strongly correlated particles moving on a one-dimensional lattice, based on light transport in a square waveguide lattice with a periodically curved axis. We show the photonic analogue of dynamic localization of correlated particles and suggest the possibility to coherently suppress particle interaction.Optics Letters 12/2011; 36(24):4743-5. · 3.39 Impact Factor - [show abstract] [hide abstract]

**ABSTRACT:**We consider a waveguide array in which defect channels with reduced refractive index are spaced periodically and the light guiding is achieved because of Bragg reflection. We show that tunneling between defects can be inhibited using out-of-phase longitudinal modulation of refractive index exclusively in defect channels. Tunneling inhibition is almost perfect for strongly localized modes with propagation constants close to the gap center.Optics Letters 06/2010; 35(12):2097-9. · 3.39 Impact Factor

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