Defienne, H. , Ndagano, B. , Lyons, A. and Faccio, D. (2021) Polarization entanglement-enabled quantum holography. Nature Physics, 17(5), pp. 591-597. (doi: 10.1038/s41567-020-01156-1)
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Abstract
Holography is a cornerstone characterization and imaging technique that can be applied to the full electromagnetic spectrum, from X-rays to radio waves or even particles such as neutrons. The key property in all these holographic approaches is coherence, which is required to extract the phase information through interference with a reference beam. Without this, holography is not possible. Here we introduce a holographic imaging approach that operates on first-order incoherent and unpolarized beams, so that no phase information can be extracted from a classical interference measurement. Instead, the holographic information is encoded in the second-order coherence of entangled states of light. Using spatial-polarization hyper-entangled photon pairs, we remotely reconstruct phase images of complex objects. Information is encoded into the polarization degree of the entangled state, allowing us to image through dynamic phase disorder and even in the presence of strong classical noise, with enhanced spatial resolution compared with classical coherent holographic systems. Beyond imaging, quantum holography quantifies hyper-entanglement distributed over 104 modes via a spatially resolved Clauser–Horne–Shimony–Holt inequality measurement, with applications in quantum state characterization.
| Item Type: | Articles |
|---|---|
| Additional Information: | D.F. acknowledges financial support from the Royal Academy of Engineering Chair in Emerging Technology, UK Engineering and Physical Sciences Research Council (grant nos. EP/T00097X/1 and EP/R030081/1) and from the European Union’s Horizon 2020 research and innovation programme under grant no. 801060. H.D. acknowledges funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant no. 840958. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ndagano, Mr Bienvenu and Defienne, Dr Hugo and Faccio, Professor Daniele and Lyons, Dr Ashley |
| Authors: | Defienne, H., Ndagano, B., Lyons, A., and Faccio, D. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Nature Physics |
| Publisher: | Nature Research |
| ISSN: | 1745-2473 |
| ISSN (Online): | 1745-2481 |
| Published Online: | 04 February 2021 |
| Copyright Holders: | Copyright © 2021 The Authors |
| First Published: | First published in Nature Physics 17(5): 591-597 |
| Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
| Related URLs: | |
| Data DOI: | 10.5525/gla.researchdata.1093 |
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