Title :
Two-photon absorption in CdSe quantum dots embedded in sol-gel films
Author :
Zhao, Yanrui ; Wang, Li ; Chen, Weiliang ; Jain, R.K.
Author_Institution :
Center for High Technol. Mater., Univ. of New Mexico, Albuquerque, NM
Abstract :
CdSe QDs in sol-gel films are promising for nonlinear optical waveguide devices. We measured the two-photon absorption (TPA) coefficient at 820 nm in such films, and TPA-induced fluorescence over the 730-980 nm wavelength range.
Keywords :
II-VI semiconductors; absorption coefficients; cadmium compounds; fluorescence; nonlinear optics; optical waveguides; photoluminescence; semiconductor quantum dots; thin films; two-photon processes; wide band gap semiconductors; CdSe; nonlinear optical waveguide devices; photoluminescence spectrum; quantum dots; sol-gel films; two-photon absorption coefficient; wavelength 730 nm to 980 nm; Absorption; Fluorescence; Nonlinear optics; Optical devices; Optical films; Optical waveguides; Quantum dot lasers; Quantum dots; Semiconductor films; Wavelength measurement; (190.0190) Nonlinear Optics;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628514