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Proceedings Paper

Two-photon correlations in nonlinear optical systems
Author(s): M. K. Schmidt; R. Esteban; G. Giedke; J. Aizpurua; A. Gonzalez-Tudela
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Paper Abstract

Accessing complete information about the emission from any quantum-optical systems requires tools capable of a frequency-resolved characterization of multi-photon transitions that would go beyond the standard g(2) correlation measurements. This is particularly important when analyzing systems which exhibit strong nonlinear response with multiple emission pathways. In this work, we calculate and analyze in details correlations of light emitted from two such canonical nonlinear optical systems, one incorporating Kerr nonlinear medium, and another exhibiting optomechanical coupling between light and quantized motion of a generic mechanical oscillator. We compare their single- and two-photon emission characteristics by employing a recently developed framework that allows us to calculate the frequency-resolved g(2) correlations between emitted photons with two arbitrary frequencies. Our analysis shows a rich landscape of bunching and antibunching associated with multi-photon emission events, and reveals the distinctive temporal characteristics of such processes. This new understanding provides a new asset to characterize and exploit nonlinear phenomena in Kerr and optomechanical systems in future experiments.

Paper Details

Date Published: 30 December 2019
PDF: 2 pages
Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 1120013 (30 December 2019); doi: 10.1117/12.2541116
Show Author Affiliations
M. K. Schmidt, Macquarie Univ. (Australia)
R. Esteban, Donostia International Physics Ctr. (Spain)
G. Giedke, Donostia International Physics Ctr. (Spain)
J. Aizpurua, Donostia International Physics Ctr. (Spain)
Univ. del País Vasco (Spain)
Consejo Superior de Investigaciones Científicas (Spain)
A. Gonzalez-Tudela, Instituto de Física Fundamental, Consejo Superior de Investigaciones Científicas (Spain)

Published in SPIE Proceedings Vol. 11200:
AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019
Arnan Mitchell; Halina Rubinsztein-Dunlop, Editor(s)

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