Title :
Third-order optical nonlinearities of PbS-polymer nanocomposite with excitation of femtosecond pulses
Author :
Li, Heping ; Liu, B. ; Kam, C.H. ; Lam, Y.L. ; Que, W.Z. ; Gan, L.M. ; Chew, C.H. ; Xu, G.Q.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore
Abstract :
We present an experimental study of third-order optical nonlinearities in the new PbS-polymer nanocomposite, using the Z-scan technique with femtosecond laser pulses at 780-nm wavelength. The mechanisms responsible for the observed nonlinearities are also discussed
Keywords :
II-VI semiconductors; composite materials; high-speed optical techniques; lead compounds; nanostructured materials; nonlinear optics; optical polymers; 780 nm; PbS-polymer nanocomposite; Z-scan technique; femtosecond laser pulses; femtosecond pulse excitation; nonlinearities; third-order optical nonlinearities; Nanocrystals; Nonlinear optics; Optical films; Optical polymers; Optical pulses; Optical refraction; Optical sensors; Optical variables control; Ultrafast electronics; Ultrafast optics;
Conference_Titel :
LEOS '99. IEEE Lasers and Electro-Optics Society 1999 12th Annual Meeting
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5634-9
DOI :
10.1109/LEOS.1999.813538
