Title :
Ultrafast carrier dynamics in single-walled carbon nanotubes probed by four-wave mixing measurements
Author :
Seferyan, H.Ye. ; Nasr, M.B. ; Senekerimyan, V. ; Zadoyan, R. ; Apkarian, V.A.
Author_Institution :
Dept. of Chem., Univ. of California, Irvine, CA
Abstract :
Time resolved four-wave mixing measurements are carried out in single-walled carbon nanotubes in water. Electronic dephasing times are response limited to below 80 fs. The interband cascade of electronic population is completed in 400 fs, followed by vibrational energy redistribution and cooling which lasts 100 ps.
Keywords :
carbon nanotubes; high-speed optical techniques; measurement by laser beam; multiwave mixing; time resolved spectroscopy; electronic dephasing time; electronic population; four-wave mixing measurement; single-walled carbon nanotubes; time 400 fs; ultrafast carrier dynamics; vibrational energy redistribution; Carbon nanotubes; Electronics cooling; Four-wave mixing; Gratings; Nonlinear optics; Optical mixing; Optical pumping; Stationary state; Time measurement; Ultrafast optics; 190.4380; 300.6530;
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.2006.4629133
