Adaptive quantum optics with spatially entangled photon pairs

Defienne, H. , Reichert, M. and Fleischer, J. W. (2018) Adaptive quantum optics with spatially entangled photon pairs. Physical Review Letters, 121(23), 233601. (doi: 10.1103/PhysRevLett.121.233601)

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Abstract

Light shaping facilitates the preparation and detection of optical states and underlies many applications in communications, computing, and imaging. In this Letter, we generalize light shaping to the quantum domain. We show that patterns of phase modulation for classical laser light can also shape higher orders of spatial coherence, allowing deterministic tailoring of high-dimensional quantum entanglement. By modulating spatially entangled photon pairs, we create periodic, topological, and random patterns of quantum illumination, without effect on intensity. We then structure the quantum illumination to simultaneously compensate for entanglement that has been randomized by a scattering medium and to characterize the medium’s properties via a quantum measurement of the optical memory effect. The results demonstrate fundamental aspects of spatial coherence and open the field of adaptive quantum optics.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Defienne, Dr Hugo
Authors: Defienne, H., Reichert, M., and Fleischer, J. W.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN:0031-9007
ISSN (Online):1079-7114
Published Online:04 December 2018

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