Fast graphene based plasmonic terahertz amplitude modulators

Jessop, D. S. and Kindness, S. J. and Xiao, L. and Braeuninger-Weimer, P. and Lin, H. and Ren, Y. and Griffiths, J. and Ren, C. X. and Hofmann, S. and Zeitler, J. A. and Beere, H. E. and Ritchie, D. A. and Degl'Innocenti, Riccardo (2016) Fast graphene based plasmonic terahertz amplitude modulators. In: 2016 Conference on Lasers and Electro-Optics, CLEO 2016 :. Institute of Electrical and Electronics Engineers Inc., USA. ISBN 9781509024346

Abstract

We present two graphene based plasmonic devices for the external optoelectronic amplitude modulation of THz radiation. Modulation depths as high as 8% and up to 50 MHz, for a 10 V potential difference are reported.