Title :
Experimental observation of the magnitude and sign of the third order optical nonlinearity in CdS quantum dots in a dendrimer matrix
Author :
Etienne, Michael ; Walser, Ardie D. ; Dorsinville, Roger ; Bauer, David L.V. ; Balogh-Nair, Valeria
Author_Institution :
Dept. of Electr. Eng., City Univ. of New York, NY, USA
Abstract :
We have investigated the nonlinear optical response of CdS quantum dots in a poly(propyleneimine) dendrimer matrix having diaminobutane (DAB) core. Large nonlinear coefficients and low absorption losses were observed at all wavelengths.
Keywords :
II-VI semiconductors; cadmium compounds; nonlinear optical susceptibility; optical polymers; optical saturable absorption; semiconductor quantum dots; ultraviolet spectra; CdS; CdS quantum dots; absorption losses; absorption spectrum; diaminobutane core; nonlinear coefficient; nonlinear optical response; nonlinear susceptibility; polypropyleneimine dendrimer matrix; third order optical nonlinearity; Absorption; Cities and towns; Nonlinear optical devices; Nonlinear optics; Optical devices; Optical films; Quantum dot lasers; Quantum dots; Semiconductor nanostructures; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549102
