Anti-diffracting beams through the diffusive optical nonlinearity

F. Di Mei, J. Parravicini, D. Pierangeli, C. Conti, A. J. Agranat, E. DelRe

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Anti-diffraction is a theoretically predicted nonlinear optical phenomenon that occurs when a light beam spontaneously focalizes independently of its intensity. We observe anti-diffracting beams supported by the peak-intensity-independent diffusive nonlinearity that are able to shrink below their diffraction-limited size in photorefractive lithium-enriched potassium-tantalate-niobate (KTN:Li).

Original languageAmerican English
Pages (from-to)31434-31439
Number of pages6
JournalOptics Express
Issue number25
StatePublished - 15 Dec 2014

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