A 32 Channel Time-Tagging and Coincidence Detector Unit with High Data Throughput
Attila Hidvegi

TL;DR
This paper presents a custom FPGA-based 32-channel time-tagging and coincidence detection unit with 8 ps resolution, high data throughput, and integrated performance characterization, suitable for advanced quantum optics experiments.
Contribution
The work introduces a novel high-resolution, multi-channel FPGA-based time-tagging system with integrated performance validation, enhancing capabilities for quantum optics research.
Findings
Achieved 8 ps timing resolution across 32 channels
Developed a comprehensive, in-situ performance measurement method
Demonstrated high data throughput with USB-3 and PCIe interfaces
Abstract
Time-tagging units and coincidence detectors are used in many scientific research fields. The required timing resolution and number of input channels are varying, but some emerging experiments in the field of quantum optics require up to 32 input channels with a timing resolution of approximately 10 ps and high data processing capability. This work is about a custom designed FPGA based time-tagging and coincidence detector unit, with 32 input channels, 8 ps of timing resolution, high data processing capability and with high bandwidth communication ports, such as USB-3 and PCIe x4, for readout. With very high timing resolution and many channels it is crucial to properly characterize the performance of the time-to-digital converters in every input channel, to validate their accuracy. Important sources of error are discussed and a common method of performance measurement is evaluated,…
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Taxonomy
TopicsRadiation Detection and Scintillator Technologies
