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Terahertz Quantum Imaging

delete2025-06-11
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OA
AI
M
Mirco Kutas *
F
Felix Riexinger
J
Jens Klier
D
Daniel Molter
G
Georg von Freymann *
DOI:10.1002/qute.202500271delete
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摘要

摘要

En 中文
量子成像提供了一种强大的方法,用于在感兴趣的光谱区域之间进行空间传输振幅和相位信息,即使这些区域在光子能量上相差几个数量级。然而,迄今为止的演示仅限于频率相近的数量级区域,这些区域有商业相机可用。这里,通过仅探测可见光子(662.2 nm,452.7 THz),在太赫兹频率区域(1.5 THz)演示了振幅和相位敏感成像,两者相差超过两个数量级。这使得能够使用标准CMOS相机在不制冷的情况下可靠地检测太赫兹信息,同时仍实现接近太赫兹波长的空间分辨率。通过量子提纯减少了强噪声贡献的影响。实验结果与成像过程的数值模拟结果吻合良好,并展示了该方法在探索常规相机不可用的挑战性光谱区域方面的巨大潜力。
Keyword:
imaging with undetected photons
nonlinear interferometry
quantum imaging
terahertz imaging

期刊

A
Advanced Quantum Technologies
IF:
4.3
论文数:
515
被引数:
3.2K

机构

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