Effect of long range spatial correlations on the lifetime statistics of an emitter in a two-dimensional disordered lattice

Abstract

The effect of spatial correlations on the Purcell effect in a bidimensional dispersion of resonant nanoparticles is analyzed. We perform extensive calculations on the fluorescence decay rate of a point emitter embedded in a system of nanoparticles statistically distributed according to a simple 2D lattice-gas model near the critical point. For short-range correlations (high temperature thermalization) the Purcell factors present a long-tailed statistic which evolves towards a bimodal distribution when approaching the critical point where the spatial correlation length diverges. Our results suggest long-range correlations as a possible origin of the large fluctuations of experimental decay rates in disordered metal films.

arXiv comment6 pages, 5 figures

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Cited by in corpus (5)

• Light in correlated disordered media
• Fluctuations of the Electromagnetic Local Density of States as a Probe for Structural Phase Switching
• Characterizing critical exponents via Purcell effect
• Decoherence and collective effects in critical media
• Controlling spontaneous emission via electronic correlations in transparent metals