级联域工程光学相位阵列用于2D光束方向
Jingwei Li1, Huaibin Zheng1, Yuchen He1
1Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education and International Center for Dielectric Research, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China.
Nanophotonics (Berlin, Germany)
|December 5, 2024
概括
我们开发了一种新的2D光学相位阵列 (OPA),使用工程酸晶体. 这种设计简化了控制电子,并为先进的光电子应用实现了高效的2D光束方向.
科学领域:
- 光子学和光电学和光电子学.
- 材料科学 材料科学 材料科学
- 晶体学 晶体学是指结晶学.
背景情况:
- 传统的二维光学相位阵列 (OPA) 面临的局限性包括复杂的控制,高功耗和需要可调节激光器.
- 现有的OPA设计通常需要对众多阵列元件进行独立控制,从而导致复杂的布线和系统复杂性的增加.
研究的目的:
- 提出和模拟一种新的OPA架构,克服当前二维光束方向技术的局限性.
- 为简化OPA控制和提高性能引入一个域工程酸 (LiNbO3) 晶体结构.
- 为了证明使用级联周期极点 LiNbO3 序列用于精确的 2D 束方向的可行性.
主要方法:
- 使用级联周期极化LiNbO3序列创建一个多层,域工程电光晶体结构.
- 实施一个简化的控制系统,只用两个电子元件来编程二维光束转向轨迹.
- 进行模拟,以评估拟议的OPA架构的光束转向范围和性能.
主要成果:
- 拟议的OPA架构基于域工程LiNbO3,可以实现2D光束转向,模拟的角度范围约为±20°和±16°.
- 该设计促进了相邻阵列元素之间的相差分布均,优化了光学性能.
- 与传统的OPA相比,仅使用两个控制电子显著降低了系统复杂性和功率要求.
结论:
- 开发的域内工程LiNbO3 OPA为高性能,简化2D光束方向提供了一个有前途的解决方案.
- 这种方法为在电光晶体中设计定制的相控装置铺平了道路.
- 这项研究对下一代光电子产品有重大影响,包括光学互连和集成的LiDAR系统.
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