Title :
Real time observation of non-linear coherent phonon dynamics in semiconducting single wall carbon nanotubes
Author :
Gambetta, A. ; Manzoni, C. ; Cerullo, G. ; Lanzani, G. ; Menna, E. ; Meneghetti, M. ; Tretiak, S. ; Piryatinski, A. ; Saxena, A. ; Martin, R.L. ; Bishop, A.R.
Author_Institution :
Dipt. di Fis., Ist. di Fotonica e Nanotecnol., Milano
Abstract :
Sub-10-fs visible pulses allow real time detection of coherent phonons in single-walled carbon nanotubes. Nonlinear coupling between radial breathing (250 cm-1) and the carbon-stretching (1600 cm-1) modes is experimentally observed and theoretically modeled.
Keywords :
carbon nanotubes; high-speed optical techniques; phonons; semiconductor nanotubes; C; carbon-stretching; coherent phonons; femtosecond pulses; nonlinear coherent phonon dynamics; nonlinear coupling; radial breathing; real time detection; real time observation; semiconducting carbon nanotubes; single wall carbon nanotubes; time 10 fs; visible pulses; wave number 1600 cm-1; wave number 250 cm-1; Carbon nanotubes; Chemicals; Excitons; Frequency modulation; Nonlinear optics; Optical coupling; Phonons; Sampling methods; Semiconductivity; Ultrafast optics; 300.6530 (spectroscopy, ultrafast); 320.7130 (ultrafast processes in condensed matter, including semiconductors);
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.2006.4628914
