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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Multiplexed time-correlated single-photon counting.

D J Birch¹, D McLoskey, A Sanderson

¹Department of Physics and Applied Physics, University of Strathclyde, G4 ONG, Glasgow, Scotland, UK.

Journal of Fluorescence

|November 16, 2013

Summary

This summary is machine-generated.

Multiplexed time-correlated single-photon counting records multiple fluorescence decay curves simultaneously. This technique enables detailed fluorescence lifetime topography and advanced optical fiber sensor networks for metal ion detection.

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Area of Science:

Photon counting techniques
Fluorescence spectroscopy
Optical sensing

Background:

Time-correlated single-photon counting (TCSPC) is a powerful tool for fluorescence lifetime measurements.
Simultaneous acquisition of multiple decay curves is challenging with conventional TCSPC.

Purpose of the Study:

To review the multiplexed TCSPC technique.
To demonstrate its application in fluorescence lifetime topography.
To explore its potential in intelligent optical fiber sensor networks.

Main Methods:

Multiplexed TCSPC involves statistically time-sharing a single time-to-amplitude converter to record multiple fluorescence decay curves in parallel.
Demonstration on a self-absorbing sample to measure fluorescence lifetime topography.

Main Results:

Successful application of multiplexed TCSPC for fluorescence lifetime topography measurement.
Demonstrated feasibility of parallel data acquisition.

Conclusions:

Multiplexed TCSPC offers an efficient method for acquiring multiple fluorescence decay curves.
The technique shows promise for advanced applications like self-absorbing sample analysis and intelligent optical fiber sensor networks for metal ion discrimination.