2024/08/05 by Giuseppe Ortolano, Ivano Ruo Berchera, Ortolano, Giuseppe +1
Medicine · Physics and Astronomy · #Advanced Optical Sensing Technologies #FOS: Physical sciences #Ocular and Laser Science Research #Optical Imaging and Spectroscopy Techniques #Optics (physics.optics) #Quantum Physics (quant-ph)
paper · pdf · doi:10.48550/arxiv.2408.02636
openalex publication_date 2024/08/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We investigate Quantum Target Ranging in the context of multi-hypothesis testing and its applicability to real-world LiDAR systems. First, we demonstrate that ranging is generally an easier task compared to the well-studied problem of target detection. We then analyze the theoretical bounds and advantages of quantum ranging in the context of phase-insensitive measurements, which is the operational mode of most LiDAR systems. Additionally, we adopt a background noise model more suited to optical frequencies, as opposed to the typical single-mode thermal noise model used in quantum target detection theory. Our findings indicate that a significant exponential quantum advantage can be achieved using simple photon-counting receivers across a broad range of parameters, thereby validating the efficacy of the quantum approach for LiDAR implementations.