Open AccessThree-wave mixing of ordinary and backward electromagnetic waves: extraordinary transients in the nonlinear reflectivity and parametric amplification
Author(s) -
V. V. Slabko,
А. К. Попов,
В. Ф. Ткаченко,
S. A. Myslivets
Publication year - 2016
Publication title -
optics letters/optics index
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.41.003976
Subject(s) - optics , physics , transient (computer programming) , electromagnetic radiation , mixing (physics) , parametric statistics , nonlinear optics , reflection (computer programming) , four wave mixing , wave propagation , phase (matter) , phase conjugation , nonlinear system , laser , statistics , mathematics , quantum mechanics , computer science , programming language , operating system
Three-wave mixing of ordinary and backward electromagnetic waves in a pulsed regime is investigated in the metamaterials that enable the coexistence and phase-matching of such waves. It is shown that the opposite direction of phase velocity and energy flux in backward waves gives rise to extraordinary transient processes due to greatly enhanced optical parametric amplification and frequency up- and down-shifting nonlinear reflectivity. The differences are illustrated through comparison with the counterparts in ordinary, co-propagating settings.