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Filtering by: Creator Zheng, Lei Creator Minot, E. D.

High-Contrast Imaging of Graphene via Time-Domain Terahertz Spectroscopy

Creator:

Tomaino, J. L., Jameson, A. D., Paul, M. J., Kevek, J. W., van der Zande, A. M., Barton, R. A., Choi, H., McEuen, P. L., Minot, E. D., and Lee, Yun-Shik

Abstract:

We demonstrate terahertz (THz) imaging and spectroscopy of single-layer graphene deposited on an intrinsic Si substrate using THz time-domain spectroscopy. A single-cycle THz pulse undergoes multiple internal reflections within the Si substrate, and the THz absorption by the graphene layer accumulates through the multiple interactions with the graphene/Si interface. We...

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Article

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, Y. Zheng, J. Balakrishnan, T. Lei, H. R. Kim, Y. I. Song, Y. J. Kim, K. S. Kim, B. Özyilmaz, J.-H
High-field terahertz response of graphene

Creator:

Paul, M. J., Chang, Y. C., Thompson, Z. J., Stickel, A., Wardini, J., Choi, H., Minot, E. D., Norris, T. B., and Lee, Yun-Shik

Abstract:

We investigate the response of multi-layer epitaxial graphene and chemical vapor deposition (CVD)-grown single-layer graphene to strong terahertz (THz) fields. Contrary to theoretical predictions of strong nonlinear response, the transmitted fields exhibit no harmonic generation, indicating that the nonlinear response is limited by fast electron thermalization due to carrier-carrier scattering....

Resource Type:

Article

Full Text:

Nature Mater. 11 865–71 [8] Zheng J, Wang L, Quhe R, Liu Q, Li H, Yu D, Mei W N, Shi J, Gao Z and Lu J

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High-Contrast Imaging of Graphene via Time-Domain Terahertz Spectroscopy

High-field terahertz response of graphene

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