Quantum Induced Coherence Light Detection and Ranging
- URL: http://arxiv.org/abs/2212.12924v1
- Date: Sun, 25 Dec 2022 16:09:49 GMT
- Title: Quantum Induced Coherence Light Detection and Ranging
- Authors: Gewei Qian, Xingqi Xu, Shun-An Zhu, Fei Gao, V. V. Yakovlev, Xu Liu,
Shi-Yao Zhu, and Da-Wei Wang
- Abstract summary: We build a quantum induced coherence (QuIC) LiDAR without directly detecting the photons reflected from the object.
The reflected photons are used to erase the which-way information of its entangled partners.
This method paves a new way of battling noise in precise quantum electromagnetic sensing and ranging.
- Score: 8.928976308064282
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Quantum illumination has been used to improve the signal-to-noise ratio in
light detection and ranging (LiDAR). Relying on coincidence detection, such a
quantum LiDAR has a resolution limited by the response time of the detector and
suffers from jamming noise. Inspired by the Zou-Wang-Mandel experiment, we
build a quantum induced coherence (QuIC) LiDAR without directly detecting the
photons reflected from the object, intrinsically immune to environmental and
jamming noise. The key element is that the reflected photons are used to erase
the which-way information of its entangled partners, whose light path is
scanned to obtain the distance of the object via single photon interference
rather than coincidence detection. In QuIC LiDAR, the noise accompanying the
reflected probe light from the object cannot enter our detector. This method
paves a new way of battling noise in precise quantum electromagnetic sensing
and ranging.
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