Complex refractive index tunability of graphene at 1550 nm wavelength

F. Xu, S. Das, Y. Gong, Q. Liu, H. C. Chien, H. Y. Chiu, J. Wu, R. Hui

Research output: Contribution to journalArticlepeer-review

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Abstract

The complex refractive index of graphene fabricated using chemical vapor deposition is characterized at 1550 nm wavelength through the reflectivity measurement on a SiO2/Si substrate. The observed tunability of the complex reflective index as the function of gate electric voltage is in agreement with the prediction based on the Kubo formula.

Original languageEnglish
Article number031109
JournalApplied Physics Letters
Volume106
Issue number3
DOIs
StatePublished - 19 Jan 2015
Externally publishedYes

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