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4 papers · 2 filters
Intensity correlations in the forward four-wave mixing driven by a single pump
A. A. C. de Almeida, M. R. L. da Motta, S. S. Vianna
We study the field intensity fluctuations of two independent four-wave mixing signals generated in a cold rubidium sample as well as the transmission signals. We employ an experime…
Permittivity-asymmetric quasi-bound states in the continuum
Rodrigo Berté, Thomas Weber, Leonardo de S. Menezes +7
Broken symmetries lie at the heart of nontrivial physical phenomena. Breaking the in-plane geometrical symmetry of optical systems allows to access a set of electromagnetic states…
Spatial distribution of two symmetric four-wave mixing signals induced by Gaussian beams
Mateus R. L. da Motta, Alexandre A. C. de Almeida, Sandra S. Vianna
We present a theoretical analysis of the spatial shape of two symmetric signals of degenerate four-wave mixing induced by Gaussian beams in a thin sample of two-level atoms. Our ca…
Intensity -correlations in random fiber lasers: A random matrix theory approach
Ernesto P. Raposo, Iván R. R. Gonzáles, Edwin D. Coronel +5
We propose a new approach based on random matrix theory to calculate the temporal second-order intensity correlation function of the radiation emitted by random lasers…