Related Experiment Video
Updated: Jun 4, 2026
12:19
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
Synergistic antenna-modulator integration for a monolithic photonic RF receiver
Changlin Liu1,2, Yongtao Du1,2, Xihua Zou3,4
1Center for Information Photonics and Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China.
Nature Communications
|June 2, 2026
Summary
Researchers developed a compact photonic radio-frequency (RF) receiver chip. This integrated device significantly enhances RF-to-optical conversion efficiency for advanced wireless communication and sensing applications.
Area of Science:
- Photonics
- Radio-Frequency (RF) Engineering
- Integrated Optics
Background:
- Integrated radio-frequency (RF) photonics is crucial for wireless communications, sensing, and radar.
- Bulky RF components limit practical applications in covert, conformal, and space-constrained scenarios.
Purpose of the Study:
- To demonstrate a photonic RF receiver chip that overcomes the limitations of bulky components.
- To achieve high RF-to-optical conversion efficiency in a compact form factor.
Main Methods:
- Integration of a bow-tie antenna and a microring modulator on a thin-film lithium niobate platform.
- Leveraging a dual-resonance enhancement mechanism combining RF and optical resonances.
Main Results:
- Achieved a record-high figure of merit of 3.88 W-1/2 within a 2 × 1.7 mm2 footprint.
- Demonstrated centimeter-level radar ranging accuracy, 3.2 Gbps wireless communication capacity, and real-time HD video transmission.
- Successfully packaged the photonic RF receiver chip.
Conclusions:
- The developed chip offers a viable solution for covert, conformal, and miniature photonic RF frontends.
- Enables advanced applications in unmanned aerial vehicles, high-speed trains, and electronic warfare systems.
- Paves the way for next-generation integrated RF photonic systems.
