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March 26, 2026Russian Microelectronics

Terahertz Amplification and Lasing in a Metal Groove with Active Graphene

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Authors

MMM. Yu. MorozovKMK. V. MashinskyVPV. P. Popov

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Overview

Theoretically predicts terahertz lasing in graphene within a resonator, suggesting practical applications in technology.

Key Points

  • This research aims to explore terahertz amplification and lasing using graphene in a metal groove resonator.
  • Theoretical analysis of terahertz lasing mechanisms.
  • Investigation of Fabry–Perot resonances in a metal-dielectric groove resonator.
  • Examination of the matching conditions between waveguides and graphene's admittance.
  • Terahertz lasing is predicted near the cut-off frequency of the resonator.
  • Conditions for lasing are met with achievable quasi-Fermi energy values.
  • Realistic charge carrier relaxation times in graphene enable effective lasing.

Cite This Study

Morozov et al. (2025) studied this question.

synapsesocial.com/papers/69c4cc37fdc3bde44891777dhttps://doi.org/10.1134/s106373972560178x
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