Phase conjugation by degenerate four-wave mixing in barium vapor (Journal article)

Mikropoulos, T./ Cohen, S./ Kompitsas, M./ Goutis, S./ Baharis, C.

We report what is to our knowledge the first observation of phase-conjugate waves by degenerate four-wave mixing in Ba vapor near its 6s2 1S0 ? 6s6p1P1 resonance transition. A maximum reflectivity of 36% at 10 mbars of Ar buffer gas pressure is observed together with a temporal pulse shortening of 50%. Conical emission in the two pump waves after their passage through the nonlinear medium is also observed. The dependence of the phase-conjugate signal on the pressure of the Ar buffer gas shows a small state-changing collisional decay rate.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Publisher: OSA
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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