Large Optical Nonlinearity of Semiconducting Single-walled Carbon Nanotubes under Resonant Excitations

Large Optical Nonlinearity of Semiconducting Single-walled Carbon Nanotubes under Resonant Excitations
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DOI：
10.1109/cleopr.2005.1569785
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发表时间：
2005-02
期刊：
2005 Pacific Rim Conference on Lasers & Electro-Optics
影响因子：
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通讯作者：
A. Maeda;Shigeki Matsumoto;Hideo Kishida;T. Takenobu;Yoshihiro Iwasa;Masashi Shiraishi;M. Ata
A. Maeda;Shigeki Matsumoto;Hideo Kishida;T. Takenobu;Yoshihiro Iwasa;Masashi Shiraishi;M. Ata
中科院分区：
其他
文献类型：
--
作者：
A. Maeda;Shigeki Matsumoto;Hideo Kishida;T. Takenobu;Yoshihiro Iwasa;Masashi Shiraishi;M. Ata

文献摘要

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采用z扫描法对单壁碳纳米管的三阶非线性磁化谱进行了评价。imx(3)|非常大，为4×10-6esu。泵浦-探针测量表明，大|Imχ(3)|是由相干过程，如光学斯塔克效应主导。
Third-order nonlinear-susceptibility spectra of single-walled carbon-nanotubes were evaluated by the Z-scan method. |Imχ(3)| is very large, being 4×10-6esu. Pump-probe measurements demonstrate that large |Imχ(3)| is dominated by coherent processes such as the optical-Stark effect.