Quantum Light Detection and Ranging

• URL: http://arxiv.org/abs/2105.07169v1
• Date: Sat, 15 May 2021 08:07:36 GMT
• Title: Quantum Light Detection and Ranging
• Authors: Jiuxuan Zhao, Ashley Lyons, Arin Can Ulku, Hugo Defienne, Daniele Faccio, Edoardo Charbon
• Abstract summary: Single-photon light detection and ranging (LiDAR) is a key technology for depth imaging through complex environments. Despite recent advances, an open challenge is the ability to isolate the LiDAR signal from other sources. We show that a time-resolved coincidence scheme can address these challenges by exploiting entangled photon pairs.
• Score: 1.588706071987041
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Single-photon light detection and ranging (LiDAR) is a key technology for depth imaging through complex environments. Despite recent advances, an open challenge is the ability to isolate the LiDAR signal from other spurious sources including background light and jamming signals. Here we show that a time-resolved coincidence scheme can address these challenges by exploiting spatiotemporal correlations between entangled photon pairs. We demonstrate that a photon-pair-based LiDAR can distill desired depth information in the presence of both synchronous and asynchronous spurious signals without prior knowledge of the scene and the target object. This result enables the development of robust and secure quantum LiDAR systems and paves the way to time-resolved quantum imaging applications.

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