Tian Li, Fu Li, C. Altuzarra, Anton Classen, G. Agarwal
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Enhanced Two-Photon Absorption Fluorescence of Fluorescein Biomarkers using Squeezed Light Excitation
We demonstrate that by using squeezed light for two-photon absorption (TPA) of fluorescein biomarkers, a fluorescence enhancement of nearly 50 is achieved as compared to conventional TPA using coherent light.