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Observing thermal lensing with quantum light

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Abstract

The introduction of quantum methods in spectroscopy can provide enhanced performance and technical advantages in the management of noise. We investigate the application of quantum illumination in a pump and probe experiment. Thermal lensing in a suspension of gold nanorods is explored using a classical beam as the pump and the emission from parametric downconversion as the probe. We obtain an insightful description of the behavior of the suspension under pumping with a method known to provide good noise rejection. Our findings are a further step toward investigating the effects of quantum light in complex plasmonic media.

© 2024 Optica Publishing Group

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Supplementary Material (1)

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Supplement 1       LaTeX files for Supplementary Material

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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