Santos Elkin A, Pertsch Thomas, Setzpfandt Frank, Saravi Sina
Institute of Applied Physics, Abbe Center of Photonics, Friedrich Schiller University Jena, Albert-Einstein-Straße 15, 07745 Jena, Germany.
Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Albert-Einstein-Straße 7, 07745 Jena, Germany.
Phys Rev Lett. 2022 Apr 29;128(17):173601. doi: 10.1103/PhysRevLett.128.173601.
We propose a nonlinear imaging scheme with undetected photons that overcomes the diffraction limit by transferring near-field information at one wavelength to far-field information of a correlated photon with a different wavelength generated through spontaneous photon-pair generation. At the same time, this scheme allows for retrieval of high-contrast images with zero background, making it a highly sensitive scheme for imaging of small objects at challenging spectral ranges with subdiffraction resolutions.
我们提出了一种利用未被检测到的光子的非线性成像方案，该方案通过将一个波长的近场信息转移到通过自发光子对产生而生成的具有不同波长的关联光子的远场信息，从而克服了衍射极限。同时，该方案能够获取零背景的高对比度图像，使其成为一种在具有挑战性的光谱范围内以亚衍射分辨率对小物体进行成像的高灵敏度方案。
