期刊
OPTICA
卷 6, 期 3, 页码 347-353出版社
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.6.000347
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资金
- H2020 European Research Council (ERC) [340507]
- Horizon 2020 Framework Programme [706410]
- Engineering and Physical Sciences Research Council (EPSRC) [EP/L016753/1, EP/M01326X/1, EP/N509668/1]
- EPSRC [EP/M01326X/1] Funding Source: UKRI
- European Research Council (ERC) [340507] Funding Source: European Research Council (ERC)
The spatial resolution of an optical system is limited by diffraction. Various schemes have been proposed to achieve resolution enhancement by employing either a scanning source/detector configuration or a two-photon response of the object. Here, we experimentally demonstrate a full-field resolution-enhancing scheme, based on the centroid estimation of spatially quantum-correlated biphotons. Our standard-quantum-limited scheme is able to image a general non-fluorescing object, using low-energy and low-intensity infrared illumination (i.e., with <0.001 photon per pixel per frame at 710 nm), achieving 41% of the theoretically available resolution enhancement. Images of real-world objects are shown for visual comparison, in which the classically bound resolution is surpassed using our technically straightforward quantum-imaging scheme. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
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