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Proceedings Paper

Fluids of light in atomic systems: from superfluidity to quantum simulations
Author(s): Nuno A. Silva; T. D. Ferreira; A. Guerreiro
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Paper Abstract

As quantum-driven processes and properties start to shape the future of technology, quantum simulations appear as a crucial piece of the puzzle, acting both as building blocks and catalysts for the improvement of the understanding of unique quantum features. In essence, they can be understood as a class of prototype experiments that allow a study of quantum properties in a controllable environment. In this context, quantum fluids of light are one of the strongest candidates for this role as coherent behavior is easily accessible and not hidden by detrimental thermal noise usually present in more common quantum systems. In this work we explore the underlying theory of quantum fluids of light in propagating geometries through the hydrodynamic interpretation of light, where photons behave as interacting particles in the presence of a nonlinear medium. Exploiting the highly controllable optical properties of atomic systems and their enhanced nonlinear properties related to quantum coherence phenomena, we discuss how they can be used to set a tunable platform for quantum simulations. As examples, we demonstrate a series of quantum features of this light fluid in the form of super fluidic-like behaviors, ranging from the more common and experimentally confirmed suppressed scattering, drag-force cancellation and Bogoliubov-like dispersion relation for the elementary excitations, to other interesting phenomena yet to be explored, such as the case of persistent currents.

Paper Details

Date Published: 3 October 2019
PDF: 7 pages
Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 1120717 (3 October 2019); doi: 10.1117/12.2527321
Show Author Affiliations
Nuno A. Silva, INESC-TEC (Portugal)
Univ. do Porto (Portugal)
T. D. Ferreira, INESC-TEC (Portugal)
Univ. do Porto (Portugal)
A. Guerreiro, INESC-TEC (Portugal)
Univ. do Porto (Portugal)
The Univ. of Texas at Austin (United States)

Published in SPIE Proceedings Vol. 11207:
Fourth International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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