Limitations of Entangled Two-Photon Absorption detection
Ren\'e Pollmann, Franz Roeder, Christine Silberhorn, Benjamin Brecht
TL;DR
This paper presents a method to quantify the sensitivity of entangled two-photon absorption measurements, enabling comparison of different experimental setups and guiding optimization to improve detectability.
Contribution
The authors develop a numerical sensitivity metric for ETPA measurements, facilitating direct comparison and optimization of diverse experimental approaches.
Findings
Introduces a sensitivity measure in G"oppert-Mayer units for ETPA.
Enables comparison of different ETPA experimental methods.
Guides optimization of experimental setups for improved detection.
Abstract
We introduce a method for determining the sensitivity of any given Entangled Two-Photon Absorption (ETPA) measurement. By modeling all signal and noise contributions to the measurement, we derive a single numerical value that describes the sensitivity of the ETPA measurement in G\"oppert-Mayer units. This allows us to directly compare vastly different experimental approaches and, determine whether ETPA will be detectable under the given conditions. Therefore, we can quantify the effect of any change to a given experimental apparatus and identify the ideal optimization pathway.
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Taxonomy
TopicsNonlinear Optical Materials Studies · Quantum Information and Cryptography · Advanced Fluorescence Microscopy Techniques