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Title: Long-lifetime coherence in a quantum emitter induced by a metasurface
Authors: Lassalle, Emmanuel
Lalanne, Philippe
Syed Abdullah Aljunid
Genevet, Patrice
Stout, Brian
Durt, Thomas
Wilkowski, David
Keywords: Science::Physics
Issue Date: 2020
Source: Lassalle, E., Lalanne, P., Syed Abdullah Aljunid, Genevet, P., Stout. B., Durt, T., & Wilkowski, D. (2020). Long-lifetime coherence in a quantum emitter induced by a metasurface. Physical Review A, 101(1), 013837-. doi:10.1103/PhysRevA.101.013837
Journal: Physical Review A 
Abstract: An anisotropic quantum vacuum (AQV) has been predicted to induce quantum interferences during the spontaneous emission process in an atomic V transition [G. S. Agarwal, Phys. Rev. Lett. 84, 5500 (2000)]. Nevertheless, the finite lifetime of the excited states is expected to strongly limit the observability of this phenomenon. In this paper, we predict that an AQV can induce a long-lifetime coherence in an atomic Λ transition from the process of spontaneous emission, which has an additional advantage of removing the need for coherent laser excitation. We also carry out two metasurface designs and compare their respective efficiencies for creating an AQV over remote distances. The detection of this coherence induced by a metasurface, in addition to being yet another vindication of quantum electrodynamics, could pave the way towards the remote distance control of coherent coupling between quantum emitters, which is a key requirement to produce entanglement in quantum technology applications.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.101.013837
Rights: © 2020 American Physical Society. All rights reserved. This paper was published in Physical Review A and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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