Plasmon-Enhanced
Terahertz Photodetection in Graphene
Xinghan Cai
Andrei
B. Sushkov
Mohammad M. Jadidi
Luke O. Nyakiti
Rachael L. Myers-Ward
D. Kurt Gaskill
Thomas E. Murphy
Michael S. Fuhrer
H. Dennis Drew
10.1021/acs.nanolett.5b00137.s001
https://acs.figshare.com/articles/journal_contribution/Plasmon_Enhanced_Terahertz_Photodetection_in_Graphene/2203765
We report a large area terahertz
detector utilizing a tunable plasmonic resonance in subwavelength
graphene microribbons on SiC(0001) to increase the absorption efficiency.
By tailoring the orientation of the graphene ribbons with respect
to an array of subwavelength bimetallic electrodes, we achieve a condition
in which the plasmonic mode can be efficiently excited by an incident
wave polarized perpendicular to the electrode array, while the resulting
photothermal voltage can be observed between the outermost electrodes.
2015-07-08 00:00:00
absorption efficiency
subwavelength graphene microribbons
incident wave
photothermal voltage
GrapheneWe report
electrode array
subwavelength bimetallic electrodes
area terahertz detector
tunable plasmonic resonance
plasmonic mode
outermost electrodes
graphene ribbons