Nonlinear optical properties of Zn/sub 1-x/Ag/sub x/Se mixed crystals

Author

Derkowska, B. ; Sahraoui, B. ; Kityk, I.V. ; Berdowski, J.

Author_Institution

Inst. of Phys., Nicholas Copernicus Univ., Torun, Poland

fYear

2000

fDate

10-15 Sept. 2000

Abstract

Summary form only given. We pursue investigations on new ZnAgSe mixed crystals. We perform calculation of nonlinear optical susceptibilities in ZnAgSe solid alloys, using the ab initio norm-conserving pseudopotential (NCPP) and linear combination of atomic orbitals (LCAO) methods. Comparison between the calculated and experimental data obtained from the photo-induced second harmonic generation (PISHG), show a good agreement with our theoretical approach. We demonstrate that the imaginary part of the fourth rank optical susceptibility depends on the concentration of the free carriers.

Keywords

II-VI semiconductors; LCAO calculations; ab initio calculations; nonlinear optical susceptibility; optical harmonic generation; optical materials; silver compounds; zinc compounds; LCAO method; Zn/sub 1-x/Ag/sub x/Se mixed crystals; ZnAgSe; ZnAgSe mixed crystals; ZnAgSe solid alloys; ab initio norm-conserving pseudopotential method; fourth rank optical susceptibility; free carrier concentration; linear combination of atomic orbitals methods; nonlinear optical properties; nonlinear optical susceptibilities; photo-induced second harmonic generation; Crystalline materials; Crystals; Earth; Luminescence; Neodymium; Nonlinear optics; Optical materials; Polarization; Zinc;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Europe, 2000. Conference Digest. 2000 Conference on

Conference_Location

Nice

Print_ISBN

0-7803-6319-1

Type

conf

DOI

10.1109/CLEOE.2000.910035

Filename

910035