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Opt Lett. 2003 Sep 15;28(18):1695-7. doi: 10.1364/ol.28.001695.

All-optical image processing with cavity type II second-harmonic generation.

Optics letters

Pierre Scotto, Pere Colet, Maxi San Miguel

Affiliations

  1. Instituto Mediterráneo de Estudios Avanzados, Consejo Superior de Investigaciones Científicas, Universitat de les Illes Balears, E-07071 Palma de Mallorca, Spain. [email protected]

PMID: 13677540 DOI: 10.1364/ol.28.001695

Abstract

The possibilities offered by type II intracavity second-harmonic generation for all-optical parallel processing of images are investigated. By injecting an image in a linearly polarized pump beam and a homogeneous field with orthogonal polarization, we obtain, according to the value of the latter, either frequency and polarization transfer or contrast enhancement and contour recognition. Noise-filtering effects are also predicted.

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