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سی و چهارمین کنفرانس بین المللی مهندسی برق
Tunable Integrated Terahertz Sources based on Hybrid Plasmonic Structures
نویسندگان :
Mohammad Javad Siahkari
1
Leila Yousefi
2
Mohammad Neshat
3
1- دانشگاه تهران
2- دانشگاه تهران
3- دانشگاه تهران
کلمات کلیدی :
Difference-frequency generation (DFG)،Hybrid plasmonic waveguide،Integrated photonics
چکیده :
This paper presents a compact, integrated terahertz source based on difference frequency generation (DFG) in a hybrid plasmonic waveguide combining a GaP rib optical waveguide with dual graphene layers. The hybrid mode yields subwavelength terahertz confinement, enhanced optical–THz modal overlap, and reduced propagation loss, which make this structure promising for on-chip THz generation. The tuning of the chemical potentials of graphene enables dynamic phase matching and continuous frequency tuning in the 2–4 THz band without modifying the device geometry.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
