Breaking Photodetector Bandwidth and Nyquist Constraints in FMCW LiDAR with a Cost-Effective Fiber-Based MZI

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This is a Experimental Study study.

Hao Yi; Qingyang Zhu; Yaqi Han; Annan Xia; Connie J. Chang-Hasnain; H. Y. Fu

doi:10.1364/cleo_at.2025.aa114_1

January 1, 2025

Breaking Photodetector Bandwidth and Nyquist Constraints in FMCW LiDAR with a Cost-Effective Fiber-Based MZI

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Key Points

The proposed MZI method breaks bandwidth and Nyquist constraints in FMCW LiDAR systems.
High-resolution 3D imaging with a lateral resolution of 0.07 mm was achieved using this technique.
The method allows for rapid scanning at a rate of 200 kHz, improving the efficiency of LiDAR systems.
This approach offers a cost-effective solution to enhance photodetector performance in optical systems.

Implication

Proposed MZI technique achieves enhanced imaging in FMCW LiDAR, indicating improved resolution and speed.

Abstract

An MZI-based optical frequency shifting method is proposed to break photodetector bandwidth and Nyquist sampling limits in FMCW LiDAR, achieving high-resolution, fast-scanning 3D imaging with 0.07-mm lateral resolution and 200-kHz scanning rate.

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Cite This Study

Yi et al. (2025) studied this question.

synapsesocial.com/papers/68d464f831b076d99fa64713 https://doi.org/10.1364/cleo_at.2025.aa114_1

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Breaking Photodetector Bandwidth and Nyquist Constraints in FMCW LiDAR with a Cost-Effective Fiber-Based MZI

Key Points

Implication

Abstract

Discussion

Cite This Study

Breaking Photodetector Bandwidth and Nyquist Constraints in FMCW LiDAR with a Cost-Effective Fiber-Based MZI

Key Points

Implication

Abstract

Discussion

Cite This Study

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