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Beam Steering Technology of Optical Phased Array Based on Silicon Photonic Integrated Chip
Jinyu Wang1,2, Ruogu Song1,2, Xinyu Li1,2
1National Key Laboratory of Materials for Integrated Circuits, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, China.
Micromachines
|March 28, 2024
Summary
This study reviews silicon photonic integrated chip advancements for optical phased arrays (OPAs) to enhance Light Detection and Ranging (LiDAR) beam steering. An optimization scheme for aperiodic OPAs is proposed to improve performance.
Area of Science:
- Photonics and Optical Engineering
- Integrated Optics
- LiDAR Technology
Background:
- Light Detection and Ranging (LiDAR) systems require precise beam steering for applications like autonomous driving and remote sensing.
- Optical phased arrays (OPAs) offer a solid-state solution for agile beam steering, overcoming limitations of mechanical systems.
- Silicon photonic integrated chips are a key platform for developing compact and efficient OPAs.
Purpose of the Study:
- To review recent progress in enhancing the beam steering performance of OPAs fabricated on silicon photonic integrated chips.
- To propose an optimization scheme for aperiodic OPAs to further improve performance.
Main Methods:
- Review of current research on silicon photonic integrated chip-based OPAs.
- Development and proposal of an optimization scheme for aperiodic OPA designs.
Main Results:
- Identification of key advancements in OPA beam steering performance.
- A novel optimization scheme for aperiodic OPAs is presented.
Conclusions:
- Silicon photonic OPAs are crucial for next-generation LiDAR systems.
- The proposed optimization scheme holds potential for significantly improving OPA beam steering capabilities.
