Title :
Self-collimation and spatial filtering in 2D gain/loss periodic spatially modulated materials
Author :
Botey, Muriel ; Herrero, Ramon ; Kumar, Nikhil P. ; Vilaseca, Ramon ; Staliunas, Kestutis
Author_Institution :
Dept. de Fis. i Eng. Nucl., Univ. Politec. de Catalunya, Barcelona, Spain
Abstract :
We predict and demonstrate that the periodical modulation of the gain/loss profile on the wavelength scale in at least two dimensions of space can lead to interesting beam propagation effects, similar to self-collimation or subdiffractive propagation, but also to spatial beam filtering.
Keywords :
optical collimators; photonic crystals; refractive index; spatial filters; 2D gain/loss periodic spatially modulated materials; beam propagation effects; self-collimation; spatial beam filtering;
Conference_Titel :
Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference
Conference_Location :
Munich
Print_ISBN :
978-1-4577-0533-5
Electronic_ISBN :
Pending
DOI :
10.1109/CLEOE.2011.5943605
