Metamaterial based terahertz detector


Journal Article

We have designed, fabricated, and characterized metamaterial enhanced bimaterial cantilever pixels for thermally based far-infrared detection. Local heating due to absorption from split ring resonators incorporated directly onto the cantilever pixels leads to mechanical deflection which is readily detected with visible light. The SRRs enable resonant polarization sensitive detection. Highly responsive pixels have been fabricated at 95 GHz and 693 GHz demonstrating the frequency agility of our technique. We have obtained single pixel responsivities as high as 16,500 V/W and noise equivalent powers of 10 -8 W/√Hz for these first-generation devices. © 2011 IEEE.

Full Text

Duke Authors

Cited Authors

  • Strikwerda, AC; Tao, H; Kadlec, EA; Fan, K; Padilla, WJ; Averitt, RD; Shaner, EA; Zhang, X

Published Date

  • December 1, 2011

Published In

  • Irmmw Thz 2011 36th International Conference on Infrared, Millimeter, and Terahertz Waves

Digital Object Identifier (DOI)

  • 10.1109/irmmw-THz.2011.6104818

Citation Source

  • Scopus