期刊
PHYSICAL REVIEW LETTERS
卷 128, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.128.193601
关键词
-
资金
- National Natural Science Foundation of China [12174097, 61835004]
By solving Maxwell's equations, we discovered a relationship between the cross-polarized component and the copolarized component of the dipole scattering field. This discovery has allowed for the development of a nondestructive imaging technique that can visualize the structure of pure-phase objects at low photon levels without damaging living cells. By using polarization entanglement, the switch between dark-field imaging and bright-field imaging can be remotely controlled.
By solving the Maxwell???s equations in Fourier space, we find that the cross-polarized component of the dipole scattering field can be written as the second-order spatial differentiation of the copolarized component. This differential operation can be regarded as intrinsic which naturally arises as consequence of the transversality of electromagnetic fields. By introducing the intrinsic spatial differentiation into heralded single-photon microscopy imaging technique, it makes the structure of pure-phase object clearly visible at low photon level, avoiding any biophysical damages to living cells. Based on the polarization entanglement, the switch between dark-field imaging and bright-field imaging is remotely controlled in the heralding arm. This research enriches both fields of optical analog computing and quantum microscopy, opening a promising route toward a nondestructive imaging of living biological systems.
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