Nonlinear phase shift without cascaded second-order processes and third-order nonlinearity

V. P. Drachev, S. V. Perminov

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A new mechanism for obtaining a nonlinear phase shift has been proposed and schemes are described for its implementation. As it is shown, the interference of two waves with intensity-dependent amplitude ratio coming from the second-harmonic generation should produce the nonlinear phase shift. The sign and amount of nonlinear distortion of a beam wavefront is dependent on the relative phase of the waves that is introduced by the phase element. The calculated value of neff2 exceeds that connected with cascaded quadratic nonlinearity, at the same conditions.

Original languageEnglish
Pages (from-to)193-196
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume71
Issue number2
DOIs
Publication statusPublished - Aug 2000
Externally publishedYes

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