High-Frequency Analysis of Intercalated Multilayer Graphene (IMLG) and Implication for Tunable Terahertz Resonator Design | Zendy

Xiang Li | Zendy; Lin-Sheng Wu | Zendy; Jun-Fa Mao | Zendy

Open Access

High-Frequency Analysis of Intercalated Multilayer Graphene (IMLG) and Implication for Tunable Terahertz Resonator Design

Author(s) -

Xiang Li,

Lin-Sheng Wu,

Jun-Fa Mao

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2701506

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Hexagonal boron nitride intercalated multilayer grapheme (hBN-IMLG) promises one of the potential materials for high performance tunable passive components in terahertz (THz) band, due to its good electrical properties and impressive tunability with electrostatic biasing. In this paper, the high-frequency characteristics of the hBN-IMLG-based structure and tunable THz resonator are systematically investigated with the multiconductor transmission line (MTL) model. The MTL model is employed to calculate the resonant frequency, unloaded Q-factor and to investigate the tunable characteristics of the THz resonator. Simulated results indicate that by applying a biasing voltage of 0.8 V, the THz resonator based on the experimentally achievable hBN-IMLG parameters can provide a tuning ratio up to 4.74% with the Q-factor larger than 20. By properly selecting the geometry of resonator and the electrical parameters of graphene, a large tuning ratio up to 21% can be realized. There is a tradeoff between the Q-factor and the tuning ratio.

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