Abstract
Using a pump–probe method with a 150 fs laser at the wavelength of 1.55 μm, we have experimentally demonstrated that single-walled carbon nanotubes (SWNT) have an exciton decay time of less than 1 ps and a high third-order polarizability, which is reasonably interpreted as due to their azimuthal symmetry. These experimental results reveal that a SWNT polymer composite may be a candidate material for high-quality subpicosecond all-optical switches.
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Dates
Type | When |
---|---|
Created | 22 years, 11 months ago (Sept. 18, 2002, 1:44 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 5:48 p.m.) |
Indexed | 1 month, 1 week ago (July 27, 2025, 3:17 a.m.) |
Issued | 23 years, 1 month ago (Aug. 5, 2002) |
Published | 23 years, 1 month ago (Aug. 5, 2002) |
Published Print | 23 years, 1 month ago (Aug. 5, 2002) |
@article{Chen_2002, title={Ultrafast optical switching properties of single-wall carbon nanotube polymer composites at 1.55 μm}, volume={81}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1498007}, DOI={10.1063/1.1498007}, number={6}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Chen, Y.-C. and Raravikar, N. R. and Schadler, L. S. and Ajayan, P. M. and Zhao, Y.-P. and Lu, T.-M. and Wang, G.-C. and Zhang, X.-C.}, year={2002}, month=aug, pages={975–977} }