Subdiffraction and spatial filtering due to periodic spatial modulation of the gain/loss profile

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dc.creatorStaliunas, K.
dc.creatorHerrero, R.
dc.creatorVilaseca, R.
dc.date2008-11-26
dc.date.accessioned2026-07-07T12:04:54Z
dc.date.available2026-07-07T12:04:54Z
dc.descriptionWe investigate light propagation through materials with periodically modulated gain/loss profile in both transverse and longitudinal directions, i.e. in material with two-dimensional modulation in space. We predict effects of self-collimation (diffraction-free propagation) of the beams, as well as superdiffusion (spatial frequency filtering) of the beams in depending on the geometry of the gain/loss lattice, and justify the predictions by numerical simulations of the paraxial wave propagation equations.
dc.identifierhttps://arxiv.org/abs/0811.4419
dc.identifierhttp://arxiv.org/abs/0811.4419
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/208236
dc.subjectOptics
dc.titleSubdiffraction and spatial filtering due to periodic spatial modulation of the gain/loss profile
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