Related Experiment Video
Updated: Mar 15, 2026
10:54
Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
Published on: July 8, 2013
15.4K
Photonic Terahertz for 6G Communication
1State Key Laboratory of ASIC and System, Key Laboratory for Information Science of Electromagnetic Waves (MoE), School of Information Science and Technology, Fudan University, Shanghai 200433, China.
Sensors (Basel, Switzerland)
|March 14, 2026
Summary
Photonic terahertz (THz) communication offers solutions for 6G networks, overcoming electronic bottlenecks for ultra-wideband signals. Advances in devices, systems, and antennas are paving the way for future applications.
Area of Science:
- Photonics and Communications Engineering
- Terahertz Technology
- 6G Wireless Systems
Background:
- Terahertz (THz) communication is crucial for 6G, enabling holographic communication and ultra-wideband transmission.
- Conventional THz systems face electronic bottlenecks like limited bandwidth and phase noise.
- Photonic methods offer advantages in ultra-wideband signal generation and fiber-optic integration.
Purpose of the Study:
- To provide a comprehensive review of recent advances in photonic THz communication technologies.
- To discuss device, system, and antenna innovations in the field.
- To explore the prospects and challenges of photonic THz communication for future applications.
Main Methods:
- Review of electronic bottlenecks in conventional THz systems.
- Analysis of carrier transit time, absorber layer thickness, and saturation effects on photodiode performance.
- Summary of progress in multi-dimensional multiplexing, lens antennas, and MIMO in THz systems.
Main Results:
- Photonic approaches overcome limitations of electronic THz systems, enabling ultra-wideband signal generation.
- Multi-parameter co-optimization strategies enhance bandwidth efficiency in photodiodes.
- Significant progress in high spectral efficiency multiplexing, high-gain antennas, and MIMO transmission.
Conclusions:
- Photonic THz communication is a key technology for 6G, offering solutions for bandwidth and integration challenges.
- Ongoing research focuses on optimizing device performance and system architectures.
- Future prospects include long-distance links and space applications, with challenges in implementation and scalability.
