Integrated Light Sources Based on Micro-Ring Resonators for Chip-Based LiDAR,Laser & Photonics Reviews

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Integrated Light Sources Based on Micro-Ring Resonators for Chip-Based LiDAR
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2024-09-09 , DOI: 10.1002/lpor.202400343
Langyong Huang _{1,

2} , Changjin Yang _{1,

2} , Lei Liang _{1,

2,

3,

4} , Li Qin _{1,

2,

3,

4} , Yue Song _{1,

2} , Yuxin Lei _{1,

2} , Peng Jia _{1,

2,

4} , Yubing Wang _{1,

2,

3,

4} , Cheng Qiu _{1,

2} , Yongyi Chen _{3,

4,

5} , Yuntao Cao ₆ , Liping Bo ₆ , Yujiao Ding ₆ , Lijun Wang _{1,

2,

3,

4}

Affiliation

The micro-ring resonator (MRR) is a crucial element in integrated photonics. It allows for the realization of various optical devices, including integrated filters, modulators, micro-ring laser cavities, detectors, optical logic switches, and nonlinear optical devices. The development of integrated photonics has enabled the integration of these devices with other components into a photonic chip to perform specific functions. For instance, widely tunable MRR-based lasers have been integrated with optical phased arrays (OPAs), detectors, and other elements to form a fully integrated LiDAR engine. Advances in nanofabrication have facilitated the miniaturization of nanophotonic phased arrays and on-chip lasers. MRR-based integrated external cavity lasers (ECLs) and integrated optical frequency combs (OFCs) have significantly enhanced the scanning and detection capabilities of LiDAR recently. Additionally, their size and power consumption have been continuously reduced, rendering them suitable for chip-scale integration. This paper systematically reviews the major advancements of MRR-based integrated lasers for chip-scale LiDAR.

中文翻译：

基于微环形谐振器的集成光源，用于基于芯片的 LiDAR

微环谐振器（MRR）是集成光子学中的关键元件。它允许实现各种光学器件，包括集成滤波器、调制器、微环激光腔、检测器、光学逻辑开关和非线性光学器件。集成光子学的发展使这些器件能够与其他组件集成到光子芯片中以执行特定功能。例如，基于广泛可调的 MRR 激光器已与光学相控阵（OPA）、探测器和其他元件集成，形成一个完全集成的 LiDAR 引擎。纳米制造的进步促进了纳米光子相控阵和片上激光器的小型化。基于 MRR 的集成外腔激光器（ECL）和集成光学频率梳（OFC）近年来显著增强了 LiDAR 的扫描和检测能力。此外，它们的尺寸和功耗不断减小，使其适合芯片级集成。本文系统综述了基于 MRR 的集成激光器在芯片级 LiDAR 中的主要进展。

更新日期：2024-09-09

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