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Recent Progress in the Development of Graphene Detector for Terahertz Detection
Jianlong Liu1, Xin Li1, Ruirui Jiang1
1National Key Laboratory of Science and Technology on Vacuum Electronics, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China.
Sensors (Basel, Switzerland)
|August 10, 2021
Summary
Graphene
Area of Science:
- Terahertz (THz) technology and advanced materials science.
Background:
- Terahertz waves are crucial for next-generation communication and detection systems.
- Terahertz detectors are essential components in realizing these applications.
- Graphene's unique properties, including high electron mobility and broadband absorption, make it ideal for THz detection.
Purpose of the Study:
- To review recent advancements in graphene-based terahertz detectors.
- To discuss the performance of detectors utilizing different physical mechanisms.
Main Methods:
- Review of recent scientific literature on graphene terahertz detectors.
- Discussion of mechanisms including photovoltaic (PV) effect, photothermoelectric (PTE) effect, bolometric effect, and plasma wave resonance.
Main Results:
- Graphene's properties are highly suitable for terahertz detection.
- Various physical effects enable effective terahertz detection using graphene.
- Recent progress shows significant potential for graphene in THz applications.
Conclusions:
- Graphene is a promising material for developing high-performance terahertz detectors.
- Further research into different physical mechanisms will enhance terahertz technology.
