TY - JOUR
AU1 - Zhuang, Huawei
AU2 - Ding, Wei
AU3 - Tan, Honghao
AU4 - Tian, Changbin
AU5 - Kong, Fanmin
AB - A terahertz plasmonic sensor based on parallel bulk Dirac semimetals (BDSs) is proposed and numerically investigated in this paper. The physical origin of the sensor is induced by the electromagnetically induced reflectance (EIR)-like effect between two identical resonators. The performance of the sensor is influenced by changing the coupling distance between the waveguide and resonator, the Fermi levels of the BDSs, and the analyte permittivity. Due to the strong field confinement of surface plasmon polaritons (SPPs) between the parallel BDSs, the saturated thickness of the analyte is low enough to ensure the reliable performance. In addition, the performance can be further improved by increasing the resonant order of the resonator, and the maximum sensitivity and FOM values can attain 120 GHz/RIU and 4.2, respectively. The proposed sensor owns potential prospects in terahertz sensing applications.
TI - Terahertz Plasmonic Sensor based on bulk Dirac Semimetals
JF - Optical and Quantum Electronics
DO - 10.1007/s11082-023-04670-7
DA - 2023-05-01
UR - https://www.deepdyve.com/lp/springer-journals/terahertz-plasmonic-sensor-based-on-bulk-dirac-semimetals-QiX91wtCfl
VL - 55
IS - 5
DP - DeepDyve
ER -