Advanced search
Start date
Betweenand

Interaction between atoms and metamaterials: Purcell effect and effective medium theories

Grant number: 15/21194-3
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2016
Effective date (End): June 30, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics - Atomic and Molecular Physics
Principal researcher:Philippe Wilhelm Courteille
Grantee:Tiago José Arruda
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:13/04162-5 - Development of quantum sensors based on ultracold atoms, AP.TEM

Abstract

This proposal aims to investigate analytically and numerically the interaction betweenatoms and evanescent waves in the vicinity of hyperbolic metamaterials and nanoparticles.Such metamaterials combine properties of photonic crystals and eective media,exhibiting hyperbolic dispersion relations, and are built by epitaxial growth of plasmonicand dielectric layer structures. As the spontaneous emission rate of radiation associatedwith atoms and molecules is inuenced by the environment, via the so-called Purcelleect, plasmonic nanostructures have been theoretically applied to realize experimentalschemes to tailor the spontaneous emission rate in the visible spectrum range, amplifyingor suppressing the corresponding radiative eciency of the atom. From the experimentalpoint of view, only recently it has been possible to control eciently the uorescence ofultracold atoms by coupling them with surface plasmons on a metal surface, providingnew routes of applications to be realized with nanostructured metamaterials. Theadvantage of employing metamaterials and nanoparticles arrays lies in the tunabilityof surface plasmon mode excitations, which dominate in a large extent the atomicnon-radiative decay process in the near-eld. This allows us to explore, via plasmonicexcitations and Fano resonances in nanostructures, eects of the interaction betweensingle atoms and a plasmonic tunable environment to investigate the possibility ofrealizing quantum sensors with high sensitivity. (AU)

Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MARTINEZ, ALEXANDRE SOUTO; ALCARAS, JOSE RENATO; ARRUDA, TIAGO JOSE. A set of basis functions to improve numerical calculation of Mie scattering in the Chandrasekhar-Sekera representation. WAVES IN RANDOM AND COMPLEX MEDIA, MAR 2020. Web of Science Citations: 0.
ARRUDA, TIAGO J.; BACHELARD, ROMAIN; WEINER, JOHN; SLAMA, SEBASTIAN; COURTEILLE, PHILIPPE W. Controlling photon bunching and antibunching of two quantum emitters near a core-shell sphere. Physical Review A, v. 101, n. 2 FEB 18 2020. Web of Science Citations: 0.
SUAREZ, ELMER; AUWAERTER, DAVID; ARRUDA, TIAGO J.; BACHELARD, ROMAIN; COURTEILLE, PHILIPPE W.; ZIMMERMANN, CLAUS; SLAMA, SEBASTIAN. Photon-antibunching in the fluorescence of statistical ensembles of emitters at an optical nanofiber-tip. NEW JOURNAL OF PHYSICS, v. 21, MAR 29 2019. Web of Science Citations: 1.
ARRUDA, TIAGO J.; BACHELARD, ROMAIN; WEINER, JOHN; COURTEILLE, PHILIPPE W. Tunable Fano resonances in the decay rates of a pointlike emitter near a graphene-coated nanowire. Physical Review B, v. 98, n. 24 DEC 26 2018. Web of Science Citations: 3.
ARRUDA, TIAGO J.; MARTINEZ, ALEXANDRE S.; PINHEIRO, FELIPE A. Controlling optical memory effects in disordered media with coated metamaterials. Physical Review A, v. 98, n. 4 OCT 30 2018. Web of Science Citations: 1.
ARRUDA, TIAGO J.; BACHELARD, ROMAIN; WEINER, JOHN; SLAMA, SEBASTIAN; COURTEILLE, PHILIPPE W. Fano resonances and fluorescence enhancement of a dipole emitter near a plasmonic nanoshell. Physical Review A, v. 96, n. 4 OCT 30 2017. Web of Science Citations: 5.
ARRUDA, TIAGO J.; PINHEIRO, FELIPE A.; MARTINEZ, ALEXANDRE S. Electromagnetic energy stored in inhomogeneous scattering systems. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, v. 34, n. 10, p. 1934-1939, OCT 1 2017. Web of Science Citations: 2.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.