Very Slow Carrier Cooling in Graphene Measured by Optical/THz Pump-Probe Spectroscopy

被引：0
|
作者：
Strait, Jared [1 ]
Wang, Haining [1 ]
Shivaraman, Shriram [1 ]
Shields, Virgil [1 ]
Spencer, Michael [1 ]
Rana, Farhan [1 ]
机构：
[1] Cornell Univ, Dept Elect & Comp Engn, Ithaca, NY 14853 USA
来源：
2011 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) | 2011年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present results on the relaxation dynamics of photoexcited carriers in graphene using optical-pump terahertz-probe spectroscopy. Our measurements indicate that carrier cooling is extremely slow at low temperatures where electron-optical phonon cooling becomes inefficient.
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页数：2
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