Title :
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
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;
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
