Direct detection of optical phase conjugation in a colloidal medium

Carlos López-Mariscal*, Julio C. Gutiérrez-Vega, David McGloin, Kishan Dholakia

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Degenerate four-wave mixing is demonstrated using an artificial Kerr medium and is evidenced by directly observing the phase conjugation of a vortex signal beam. The nonlinear susceptibility is produced by a refractive index grating created in a suspension of dielectric microscopic particles optically confined in the intensity grating distribution of two interfering laser beams.

Original languageEnglish
Pages (from-to)6330-6335
Number of pages6
JournalOptics Express
Issue number10
Publication statusPublished - 14 May 2007


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