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Accueil > Recherche > Publications / brevets > Publications équipe ENSEMBLE > Publications Moléc nanomat fluo > Publications BODIPY

Polarization properties of solid-state organic lasers

I. Gozhyk, G. Clavier, R. Méallet-Renault, M. Dvorko, R. Pansu, J. F. Audibert, A. Brosseau, C. Lafargue, V. Tsvirkun, S. Lozenko, S. Forget, S. Chénais, C. Ulysse, J. Zyss and M. Lebental Phys. Rev. A, 2012, 86, 4, 043817

Références :

Phys. Rev. A, 2012, 86, 4, 043817

Auteur(s) : 
I. Gozhyk, G. Clavier, R. Méallet-Renault, M. Dvorko, R. Pansu, J. F. Audibert, A. Brosseau, C. Lafargue, V. Tsvirkun, S. Lozenko, S. Forget, S. Chénais, C. Ulysse, J. Zyss and M. Lebental

The polarization states of lasers are crucial issues both for practical applications and fundamental research. In general, they depend in a combined manner on the properties of the gain material and on the structure of the electromagnetic modes. In this paper, we address this issue in the case of solid-state organic lasers, a technology which enables one to vary independently gain and mode properties. Different kinds of resonators are investigated: in-plane microresonators with Fabry-Perot, square, pentagon, stadium, disk, and kite shapes, and external vertical resonators. The degree of polarization P is measured in each case. It is shown that although transverse electric modes prevail generally (P > 0), the kite-shaped microlaser generates negative values for P (i.e., a flip of the dominant polarization which becomes mostly transverse magnetic polarized). In general, we demonstrate that both the pump polarization and the resonator geometry can be used to tailor the polarization of organic lasers. With this aim in view, we, at last, investigate two other degrees of freedom, namely upon using resonant energy transfer and upon pumping the laser dye to a higher excited state. We then demonstrate that significantly lower P factors can be obtained.




Type :
Publication
Dates :
Paru le 12 octobre 2012
Informations complémentaires :
doi 10.1103/PhysRevA.86.043817

 

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