Nonlinear diffraction from a virtual beam

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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We observe experimentally a novel type of nonlinear diffraction in the process of two-wave mixing on a nonlinear quadratic grating.We demonstrate that when the nonlinear grating is illuminated simultaneously by two noncollinear beams, a second-harmonic diffraction pattern is generated by a virtual beam propagating along the bisector of the two pump beams. The observed iffraction phenomena is a purely nonlinear effect that has no analogue in linear diffraction
Original languageEnglish
JournalPhysical Review Letters
Publication date2010
Volume104
Issue8
Pages083902
ISSN0031-9007
DOIs
StatePublished

Bibliographical note

Copyright 2010 American Physical Society

CitationsWeb of Science® Times Cited: 26
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