Phase and amplitude imaging with quantum correlations through Fourier Ptychography
arXiv:1906.06569 · doi:10.1038/s41598-019-46273-x
Abstract
Extracting as much information as possible about an object when probing with a limited number of photons is an important goal with applications from biology and security to metrology. Imaging with a few photons is a challenging task as the detector noise and stray light are then predominant, which precludes the use of conventional imaging methods. Quantum correlations between photon pairs has been exploited in a so called 'heralded imaging scheme' to eliminate this problem. However these implementations have so-far been limited to intensity imaging and the crucial phase information is lost in these methods. In this work, we propose a novel quantum-correlation enabled Fourier Ptychography technique, to capture high-resolution amplitude and phase images with a few photons. This is enabled by the heralding of single photons combined with Fourier ptychographic reconstruction. We provide experimental validation and discuss the advantages of our technique that include the possibility of reaching a higher signal to noise ratio and non-scanning Fourier Ptychographic acquisition.
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Cited by in corpus (8)
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- Quantum correlation light-field microscope with extreme depth of field
- Tracking phase entanglement during propagation of downconverted photons
- A Gigapixel Computational Light-Field Camera
- Morphological variations to a ptychographic algorithm