Spontaneous self-trapping of optical beams in metastable paraelectric crystals

Eugenio Del Re, Mario Tamburrini, Mordechai Segev, Refael Della Pergola, Aharon J. Agranat

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


We report on the observation of a new mechanism for self-trapping of optical beams: self-trapping that stems from spontaneous creation of ferroelectric crystalline clusters, seeded by a weak photorefractive diffusion field. This is an evident observation of the highly nonlinear aspects of propagation in a thermodynamically metastable system, including optically driven crystalline ordering in a medium undergoing a phase transition.

Original languageAmerican English
Pages (from-to)1954-1957
Number of pages4
JournalPhysical Review Letters
Issue number10
StatePublished - 1999


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