Sub-10-fs visible pulses allow real time detection of coherent phonons in single-walled carbon nanotubes. Nonlinear coupling between the radial breathing (250 cm-1) and carbon-stretching (1600 cm-1) modes is experimentally observed and theoretically modeled.
© 2006 Optical Society of America
(300.0300) Spectroscopy : Spectroscopy
(300.6530) Spectroscopy : Spectroscopy, ultrafast
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
A. Gambetta, C. Manzoni, G. Cerullo, G. Lanzani, E. Menna, M. Meneghetti, S. Tretiak, A. Piryatinski, A. Saxena, R. L. Martin, and A. R. Bishop, "Real Time Observation of Non-linear Coherent Phonon Dynamics in Semiconducting Single Wall Carbon Nanotubes," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper QMB7.
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