Resonant Enhancement of Coherent Phonons in Carbon Nanotubes Observed with Sub-10fs Time Resolution
1 Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama 240-8501, Japan
2 Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachiouji, Tokyo, 192- 0397, Japan
3 National Institute of Materials Science, Sengen 1-2-1, Tsukuba 305-0047, Japan
4 National Defense Academy, Hashirimizu 1-10-20, Yokosuka 239-8686, Japan
Using wavelength-resolved pump-probe spectroscopy with a sub-10-fs laser, we investigated resonant enhancement of radial breathing mode and G-mode coherent phonons in carbon nanotubes (CNTs), and successfully distinguished the electronic states of CNTs with different chiralities.
© Owned by the authors, published by EDP Sciences, 2013
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