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Conferences > QELS > 2011 > QTuK > QTuK1

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

Jared Strait, Haining Wang, Shriram Shivaraman, Virgil Shields, Michael Spencer, and Farhan Rana

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Abstract

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.

© 2011 Optical Society of America

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