Quantum enhanced radio detection and ranging with solid spins
- URL: http://arxiv.org/abs/2303.01113v1
- Date: Thu, 2 Mar 2023 09:52:16 GMT
- Title: Quantum enhanced radio detection and ranging with solid spins
- Authors: Xiang-Dong Chen and En-Hui Wang and Long-Kun Shan and Shao-Chun Zhang
and Ce Feng and Yu Zheng and Yang Dong and Guang-Can Guo and Fang-Wen Sun
- Abstract summary: We demonstrate quantum enhanced radio detection and ranging using solid spins.
RF magnetic sensitivity is improved by three orders to 21 $pT/sqrtHz$, based on nanoscale quantum sensing and RF focusing.
Results pave the way for exploring quantum enhanced radar and communications with solid spins.
- Score: 10.001277862275543
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The accurate radio frequency (RF) ranging and localizing of objects has
benefited the researches including autonomous driving, the Internet of Things,
and manufacturing. Quantum receivers have been proposed to detect the radio
signal with ability that can outperform conventional measurement. As one of the
most promising candidates, solid spin shows superior robustness, high spatial
resolution and miniaturization. However, challenges arise from the moderate
response to a high frequency RF signal. Here, by exploiting the coherent
interaction between quantum sensor and RF field, we demonstrate quantum
enhanced radio detection and ranging. The RF magnetic sensitivity is improved
by three orders to 21 $pT/\sqrt{Hz}$, based on nanoscale quantum sensing and RF
focusing. Further enhancing the response of spins to the target's position
through multi-photon excitation, a ranging accuracy of 16 $\mu m$ is realized
with a GHz RF signal. The results pave the way for exploring quantum enhanced
radar and communications with solid spins.
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