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High-sensitive terahertz detector based on periodical graphene structure


K.V. Mashinskiy - Post-graduate Student, Saratov State Univercity
D.V. Fateev - Ph.D. (Phys.-Math.), Senior Research Scientist, V.A. Kotelnikov IRE RAS (Saratov Branch)
V.V. Popov - Dr.Sc. (Phys.-Math.), Head of Laboratory, V.A. Kotelnikov IRE RAS (Saratov Branch); Professor, Saratov State University

Plasmonic rectification of terahertz (THz) radiation in spatially homogeneous and inhomogeneous grating-gated graphene structure was investigated. The dependence of rectification current responsivity on structure asymmetry was studied. It is shown that the rectification current responsivity due to hybrid plasmonic modes with a spatially asymmetric field is an order of magnitude greater than the rectification current responsivity due to symmetric plasmon modes in a geometrically asymmetric structure.

  1. Olbrich P., Kamann J., König M., Munzert J. // Phys. Rev. B. 2016. V. 93. P. 075422.
  2. Fateev D.V., Mashinskiy K.V., Popov V.V. // Appl. Phys. Lett. 2017. V. 110. P. 061106.
  3. Rudin S. // Int. J. High Speed Electron. and Systems. 2011. V. 20(3). P. 567.
  4. Polischuk O. V., Fateev D.V., Otsuji T., Popov V.V. // Appl. Phys. Lett. 2017. V. 111. P. 081110.

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