We report an enhancement of the effect of transverse localization of light (TL) in the presence of a weak longitudinal modulation of the refractive index in disordered waveguide lattices. In our chosen lattices, tunneling inhibition along the length favors diffraction-free propagation along with the simultaneous presence of transverse disorder. Our results will be useful for tuning the threshold value of disorder to achieve localized light. © 2013 Astro Ltd.

Somnath Ghosh

Department of Physics

IIT Jodhpur

R.K. Varshney

B.P. Pal

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Journal	Laser Physics Letters
ISSN	16122011