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Park BK, Kim YS, Kwon O, et al. High-performance reconfigurable coincidence counting unit based on a field programmable gate array. Appl Opt. 2015;54(15):4727-31doi: 10.1364/AO.54.004727.
Park, B. K., Kim, Y. S., Kwon, O., Han, S. W., & Moon, S. (2015). High-performance reconfigurable coincidence counting unit based on a field programmable gate array. Applied optics, 54(15), 4727-31. https://doi.org/10.1364/AO.54.004727
Park, Byung Kwon, et al. "High-performance reconfigurable coincidence counting unit based on a field programmable gate array." Applied optics vol. 54,15 (2015): 4727-31. doi: https://doi.org/10.1364/AO.54.004727
Park BK, Kim YS, Kwon O, Han SW, Moon S. High-performance reconfigurable coincidence counting unit based on a field programmable gate array. Appl Opt. 2015 May 20;54(15):4727-31. doi: 10.1364/AO.54.004727. PMID: 26192507.
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Appl Opt. 2015 May 20;54(15):4727-31. doi: 10.1364/AO.54.004727.

High-performance reconfigurable coincidence counting unit based on a field programmable gate array.

Applied optics

Byung Kwon Park, Yong-Su Kim, Osung Kwon, Sang-Wook Han, Sung Moon

PMID: 26192507 DOI: 10.1364/AO.54.004727

Abstract

We present a high-performance reconfigurable coincidence counting unit (CCU) using a low-end field programmable gate array (FPGA) and peripheral circuits. Because of the flexibility guaranteed by the FPGA program, we can easily change system parameters, such as internal input delays, coincidence configurations, and the coincidence time window. In spite of a low-cost implementation, the proposed CCU architecture outperforms previous ones in many aspects: it has 8 logic inputs and 4 coincidence outputs that can measure up to eight-fold coincidences. The minimum coincidence time window and the maximum input frequency are 0.47 ns and 163 MHz, respectively. The CCU will be useful in various experimental research areas, including the field of quantum optics and quantum information.

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