Bow-tie plasmonic arrays loaded with graphene for the fast room temperature detection of terahertz quantum cascade lasers

Degl'Innocenti, Riccardo and Xiao, Long and Jessop, David S. and Kindness, Stephen J. and Sol, Christian W.O. and Ren, Yuan and Lin, Hungyen and Zeitler, J. Axel and Braeuninger-Weimer, Philipp and Hofmann, Stephan and Beere, Harvey E. and Ritchie, David A. (2016) Bow-tie plasmonic arrays loaded with graphene for the fast room temperature detection of terahertz quantum cascade lasers. In: 2016 Conference on Lasers and Electro-Optics, CLEO 2016 :. Institute of Electrical and Electronics Engineers Inc., USA. ISBN 9781943580118

Abstract

We present a fast room temperature terahertz detector based on interdigitated bow-tie antennas asymmetrically doping and contacting graphene. The device was tested with a 2 THz quantum cascade laser yielding a responsivity of 0.5 μA/W.