Email this article Development of a correlator for measuring the second-order autocorrelation function of single-photon sources
- Authors: Salkazanov A.T.1, Gusev A.S.1, Kargin N.I.1, Kaloshin M.M.1, Klokov V.A.1, Kosogorova T.A.1, Margushin R.E.1, Sauri A.D.1, Sychev A.A.1, Vergeles S.S.1
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Affiliations:
- National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
- Issue: Vol 54, No 4 (2025)
- Pages: 273-280
- Section: КВАНТОВЫЕ ТЕХНОЛОГИИ
- URL: https://journal-vniispk.ru/0544-1269/article/view/309017
- DOI: https://doi.org/10.31857/S0544126925040015
- EDN: https://elibrary.ru/qgmhjq
- ID: 309017
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Abstract
This work presents a correlator for constructing the second-order autocorrelation function g(2)(τ), implemented on a field-programmable gate array (FPGA). The device is designed for high-precision registration of time intervals between photons detected from single emitters. The use of an FPGA enabled a time resolution of 185 ps and real-time event processing. Experimental data demonstrating photon antibunching with g(2)(0) < 0.5, a characteristic feature of single quantum emitters, are presented. The device can be used for photon correlation analysis in quantum optics and in studies involving single quantum emitters.
About the authors
A. T. Salkazanov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
A. S. Gusev
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
N. I. Kargin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
M. M. Kaloshin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
V. A. Klokov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
T. A. Kosogorova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
R. E. Margushin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
A. D. Sauri
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
A. A. Sychev
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Email: atsalkazanov@mephi.ru
S. S. Vergeles
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Author for correspondence.
Email: atsalkazanov@mephi.ru
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