Fano Resonance Filtering Characteristic of High-Resistivity Silicon Photonic Crystal Slab in Terahertz Region

Jiu-Sheng Li Saïd Zouhdi 1
1 ICHAMS - Equipe Interaction Champs - Matériaux et Structures
LGEP - Laboratoire de génie électrique de Paris
Abstract : We investigate experimentally and numerically the Fano resonances of terahertz waves through a high resistivity silicon photonic crystal slab with a hexagonal array of circular air holes. Finite-difference time-domain simulation and terahertz time-domain spectroscopy transmission measurement show good agreement with the data, in support of the Fano resonance mechanism. The frequency dependent transmission spectra show there is a Fano resonance bandpass filtering characteristic at the center frequency of 2.10 THz with a Q factor of 191, which is consistent with that of Fano resonance theory calculation.
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Jiu-Sheng Li, Saïd Zouhdi. Fano Resonance Filtering Characteristic of High-Resistivity Silicon Photonic Crystal Slab in Terahertz Region. IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2012, 24 (8), pp.625-627. ⟨10.1109/LPT.2012.2184088⟩. ⟨hal-00779091⟩

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