Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene

Soonyoung Cha, Seong Chu Lim, Seung Jin Chae, Young Hee Lee, Hyunyong Choi

Research output: Contribution to conferencePaper

Abstract

We discuss the origin of negative dynamic terahertz (THz) conductivity in graphene. By performing series of fluence and photon-energy dependent studies, we show that the nonequilibrium THz dynamics is strongly affected by the polycrystalline plasmons.

Original languageEnglish
Publication statusPublished - 2014 Jan 1
Event2014 Conference on Lasers and Electro-Optics, CLEO 2014 - San Jose, United States
Duration: 2014 Jun 82014 Jun 13

Other

Other2014 Conference on Lasers and Electro-Optics, CLEO 2014
CountryUnited States
CitySan Jose
Period14/6/814/6/13

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All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

Cha, S., Lim, S. C., Chae, S. J., Lee, Y. H., & Choi, H. (2014). Effect of grain-boundary plasmon on the negative terahertz dynamic conductivity in graphene. Paper presented at 2014 Conference on Lasers and Electro-Optics, CLEO 2014, San Jose, United States.