A Tunable Terahertz Photonic Crystal Narrow-Band Filter

A Tunable Terahertz Photonic Crystal Narrow-Band Filter

We theoretically propose and investigate a magnetically tunable narrow-band terahertz filter based on a triangular lattice silicon photonic crystal with a point and two line defects. The optical properties of the filter have been analyzed in detail. It is found that a single resonant peak with the c...

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Veröffentlicht in:IEEE photonics technology letters 2015-04, Vol.27 (7), p.752-754
Hauptverfasser: Li, Shaopeng, Liu, Hongjun, Sun, Qibing, Huang, Nan
Format: Artikel
Sprache:eng
Schlagworte:
Band-pass filters
Magnetic separation
Materials
Microwave filters
narrow-band filter
Optical filters
photonic crystal
Photonic crystals
Refractive index
terahertz
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Zusammenfassung:We theoretically propose and investigate a magnetically tunable narrow-band terahertz filter based on a triangular lattice silicon photonic crystal with a point and two line defects. The optical properties of the filter have been analyzed in detail. It is found that a single resonant peak with the central frequency of ~1 THz is existed in the transmission spectrum, which has a narrow full width at half maximum of
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2015.2391127