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Title: Purcell effect at the percolation transition

Journal Article · · Physical Review B
 [1];  [2];  [1];  [1];  [1]
  1. Univ. Federal do Rio de Janeiro, Rio de Janeiro (Brazil)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Here, we investigate the spontaneous emission rate of a two-level quantum emitter next to a composite medium made of randomly distributed metallic inclusions embedded in a dielectric host matrix. In the near field, the Purcell factor can be enhanced by two orders of magnitude relative to the case of a homogeneous metallic medium and reaches its maximum precisely at the insulator-metal transition. By unveiling the role of the decay pathways in the emitter's lifetime, we demonstrate that, close to the percolation threshold, the radiation emission process is dictated by electromagnetic absorption in the heterogeneous medium. We show that our findings are robust against change in material properties and shape of inclusions and apply for different effective-medium theories as well as for a wide range of transition frequencies.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1331285
Report Number(s):
LA-UR-16-23696; PRBMDO
Journal Information:
Physical Review B, Vol. 94, Issue 13; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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  • Joulain, Karl; Carminati, Remi; Mulet, Jean-Philippe
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies https://doi.org/10.1364/iqec.2004.iwa29
conference January 2004
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Cited By (4)

Fano resonances and fluorescence enhancement of a dipole emitter near a plasmonic nanoshell journal October 2017
Controlling spontaneous emission via electronic correlations and temperature in transparent oxides journal December 2019
Tunable Fano resonances in the decay rates of a pointlike emitter near a graphene-coated nanowire journal December 2018
Tunable Fano resonances in the decay rates of a pointlike emitter near a graphene-coated nanowire text January 2018

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