How many photons does it take to form an image?

Steven D. Johnson, Paul Antoine Moreau, Thomas Gregory, Miles J. Padgett

研究成果: Review article同行評審

11 引文 斯高帕斯(Scopus)

摘要

If a picture tells a thousand words, then we might ask ourselves how many photons does it take to form a picture? In terms of the transmission of the picture information, then the multiple degrees of freedom (e.g., wavelength, polarization, and spatial mode) of the photon mean that high amounts of information can be encoded such that the many pixel values of an image can, in principle, be communicated by a single photon. However, the number of photons required to transmit the image information is not necessarily, at least technically, the same as the number of photons required to image an object. Therefore, another equally important question is how many photons does it take to measure an unknown image?

原文English
文章編號260504
期刊Applied Physics Letters
116
發行號26
DOIs
出版狀態Published - 2020 6月 29

All Science Journal Classification (ASJC) codes

  • 物理與天文學(雜項)

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