Large third and fifth order optical nonlinearity of organic-inorganic CdS quantum dots in an optically transparent thin film

Author

Potasek, M.J. ; Gao, Y. ; Tonizzo, A. ; Walser, A. ; Dorsinville, R.

Author_Institution

Electr. Eng., City Coll. of New York, New York, NY

fYear

2008

fDate

4-9 May 2008

Firstpage

1

Lastpage

2

Abstract

We report large values of the two- and three-photon absorption coefficients at 532nm (252 cm/GW) and 1064nm (160 cm³/GW²) in surfactant-capped CdS quantum dots. The cross-sections of absorption were approximately 1e-44 cm⁴s/photon (532nm) and 8e-73 cm⁶s²/photon² (1064nm).

Keywords

absorption coefficients; cadmium compounds; nonlinear optics; organic-inorganic hybrid materials; polymer films; surfactants; two-photon processes; fifth order optical nonlinearity; optically transparent thin film; organic-inorganic quantum dots; surfactant-capped quantum dots; third order optical nonlinearity; three-photon absorption coefficients; two-photon absorption coefficients; Absorption; Inorganic materials; Laser beams; Nonlinear optics; Optical device fabrication; Optical films; Optical pulses; Photonics Society; Quantum dots; Transistors; (160.4330) Nonlinear Optical Materials; (240.0310) Thin Films;

fLanguage

English

Publisher

iet

Conference_Titel

Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on

Conference_Location

San Jose, CA

Print_ISBN

978-1-55752-859-9

Type

conf

Filename

4572430