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5 October 2023 Novel designs for single photon detection based on molecular and nanoscale materials
Francois Leonard
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Proceedings Volume PC12651, Low-Dimensional Materials and Devices 2023; PC126510I (2023) https://doi.org/10.1117/12.2677586
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Photodetection plays a key role in basic science and technology, with exquisite performance having been achieved down to the single photon level. Further improvements in photodetectors would open new possibilities across a broad range of scientific disciplines, and enable new types of applications. However, it is still unclear what is possible in terms of ultimate performance, and what properties are needed for a photodetector to achieve such performance. In this presentation, I will discuss recent theoretical and experimental work to address this question. On the theoretical front, we present a new general framework to establish the fundamental properties of photodetectors from a fully quantum perspective, and show what basic features are needed to achieve high performance. Novel photodetector designs emerge from these considerations, and we present experiments with carbon nanotube devices to test these new designs.
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Francois Leonard "Novel designs for single photon detection based on molecular and nanoscale materials", Proc. SPIE PC12651, Low-Dimensional Materials and Devices 2023, PC126510I (5 October 2023); https://doi.org/10.1117/12.2677586
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KEYWORDS
Photodetectors
Single photon detectors
Materials properties
Optical instrument design
Carbon nanotubes
Quantum devices
Quantum experiments
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