B. Sahraoui

Amplified spontaneous emission in the spiropyran-biopolymer based system

Jaroslaw Mysliwiec, Lech Sznitko, +4 authors B. Sahraoui
2009

Amplified spontaneous emission (ASE) phenomenon in the 6-nitro-1′,3′,3′-trimethylspiro[2H-1-benzopyran-2,2′-indolin] organic dye dispersed in a solid matrix has been observed. The biopolymer system… (More)

Quasi-phase-matched gratings printed by all-optical poling in polymer films.

Aleksandra Apostoluk, David Chapron, +4 authors Paul Raimond
Optics letters
2002

The all-optical poling technique permits polar orientation of molecules. For efficient poling of thin films the relative phases, amplitudes, and polarizations of the two interfering beams must be… (More)

Zinc Induced a Dramatic Enhancement of the Nonlinear Optical Properties of an Azo-Based Iminopyridine Ligand

Imen Guezguez, A. Ayadi, +6 authors B. Sahraoui
2014

An azobenzene based iminopyridine ligand 1 has been synthesized by a condensation reaction between N,N-dimethyl-4,4′-azodianiline and 2-formylpyridine. The complexation of the ligand with ZnCl2… (More)

Electronic and nuclear contributions to the third-order nonlinear optical susceptibilities of new p-N, N'-dimethylaniline tetrathiafulvalene derivatives.

B. Sahraoui, X. Nguyen Phu, M. Sallé, Antonio Colom Gorgues
Optics letters
1998

We report large third-order nonlinear optical susceptibilities (?3?)(ijkl) of new tetrathiafulvalene derivatives, using the degenerate four-wave mixing (DFWM) method. To understand the physical… (More)

Third-order optical nonlinearities in new octupolar molecules and their dipolar subunits

The third nonlinear optical susceptibility (χ〈3〉) of a new family of octupolar molecules with one, two, and three double bonds has been measured at 532 in tetrahydrofuran solutions by the degenerate… (More)

Arylmethylene-1,3-indandione based molecular glasses: Third order optical non-linearity

Gediminas Seniutinas, Rolandas Tomašiūnas, +4 authors Zigmas Balevičius
2012

Abstract The synthesis and new optical features of three indan-1,3-dione class structures is reported. The simple arylmethylene-1,3-indandione structure 2-(4-diethylaminobenzylidene)indan-1,3-dione… (More)

Nonlinear Optical Properties of Functionalized DNA-CTMA complexes

I. Rau, Robert Czaplicki, +4 authors B. Sahraoui
2011

Auteur Rau, Ileana [1], Czaplicki, Robert [2], Derkowska-Zielinska, Beata [3], Grote, James-G. [4], Kajzar, François [5], Krupka, Oksana [6], Sahraoui, Bouchta [7] Type Article scientifique dans une… (More)

Study of the amplified spontaneous emission in a dye-doped biopolymer-based material

In this paper we investigate the amplified spontaneous emission (ASE) phenomenon in the system based on a dye dissolved in a modified deoxyribonucleic acid (DNA). The system consisted of a… (More)

Cathodoluminescent and nonlinear optical properties of undoped and erbium doped nanostructured ZnO films deposited by spray pyrolysis

Mehdi Alaoui Lamrani, Mohamed Addou, +6 authors R. Dounia
2007

Abstract We have deposited zinc oxide (ZnO) and erbium doped zinc oxide (ZnO:Er) thin films on heated glass substrates using spray pyrolysis technique. The effect of erbium dopant on structural,… (More)

Ferroelectric AgNa(NO2)2 crystals as novel highly efficient nonlinear optical material: Phase matched second harmonic generation driven by a spontaneous and electric field induced polarizations

Paper reports the second harmonic generation (SHG) in ferroelectric AgNa(NO2)2 crystals being driven by the spontaneous and electric field induced polarizations. Obtained results are interpreted… (More)

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