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Entangled light–matter interactions and spectroscopy

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Abstract

Entangled photons exhibit non-classical light–matter interactions that create new opportunities in materials and molecular science. Notably, in entangled two-photon absorption, the intensity-dependence scales linearly as if only one photon was present. The entangled two-photon absorption cross section approaches but does not match the one-photon absorption cross section. The entangled two-photon cross section also does not follow classical two-photon molecular design motifs. Questions such as these seed the rich but nascent field of entangled light–matter interactions. In this perspective, we use the experimental developments in entangled photon spectroscopy to outline the current status of the field. Now that the fundamental tools are outlined, it is time to start the exploration of how materials, molecules, and devices can control or utilize interactions with entangled photons.

Graphical abstract: Entangled light–matter interactions and spectroscopy

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Article information


Submitted
13 May 2020
Accepted
19 May 2020
First published
19 May 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Perspective

Entangled light–matter interactions and spectroscopy

S. Szoke, H. Liu, B. P. Hickam, M. He and S. K. Cushing, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/D0TC02300K

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