Sub-terahertz transmissive reconfigurable intelligent surface for integrated beam steering and self-OOK-modulation
Author Information
Author(s): Shen Dongfang, Lan Feng, Wang Luyang, Song Tianyang, Yang Munan, Hu Tianyu, Li Yueting, Nie Xiaolei, Yang Jiayao, Liang Shixiong, Zeng Hongxin, Zhang Hui-Fang, Mazumder Pinaki, Yang Ziqiang, Zhang Yaxin, Cui Tie Jun
Primary Institution: University of Electronic Science and Technology of China
Hypothesis
Can a sub-terahertz transmissive reconfigurable intelligent surface (TRIS) effectively integrate beam steering and self-on-off keying (OOK) modulation?
Conclusion
The proposed TRIS demonstrates excellent performance with low insertion loss and a wide scanning range, making it a promising solution for terahertz communication systems.
Supporting Evidence
- The TRIS achieved a minimum insertion loss of 2.8 dB and a bandwidth covering the entire W-band.
- It demonstrated a wide scanning range of ±60° with low specular transmission.
- The device allows for simultaneous beam steering and amplitude modulation.
- The TRIS can effectively minimize path loss and enhance communication performance.
Takeaway
This study created a special surface that can steer beams of light and send information at the same time, which is really useful for fast communication.
Methodology
The study involved designing and testing a prototype TRIS using Schottky diodes for phase modulation and conducting experiments to validate its performance.
Limitations
The study acknowledges challenges in achieving high transmittance and substantial phase shifts in TRIS development.
Digital Object Identifier (DOI)
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