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8 October 2015 Low-cost coincidence counting apparatus for quantum optics investigations
Mark F. Masters, Tanner Heral, Kakathi Tummala
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Proceedings Volume 9793, Education and Training in Optics and Photonics: ETOP 2015; 97930V (2015) https://doi.org/10.1117/12.2223090
Event: Education and Training in Optics and Photonics: ETOP 2015, 2015, Bordeaux, France
Abstract
We have recently started investigating quantum optics for our advanced laboratory and quantum mechanics classes. For a small department, the expenses of much of the apparatus is daunting. As such, we look for places where we can reduce the costs while still providing benefits for our students. One of the places where there can be some cost savings are in the coincidence counter. The coincidence counter is a critical piece of the investigation, and while not the most expensive component, cost savings are still available. We have developed a low-cost coincidence counter (less than $50) based on a Cypress Programmable System on a Chip (PSoC). The PSoC is quite flexible. It has a microcontroller as well as FPGA like capabilities which enable us to build the coincidence detection and the counter. The design process and several investigations will be presented.
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Mark F. Masters, Tanner Heral, and Kakathi Tummala "Low-cost coincidence counting apparatus for quantum optics investigations", Proc. SPIE 9793, Education and Training in Optics and Photonics: ETOP 2015, 97930V (8 October 2015); https://doi.org/10.1117/12.2223090
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KEYWORDS
Analog electronics
Prototyping
Quantum optics
Sensors
Single photon
Digital filtering
Microcontrollers
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