High bandwidth photon detection enabled by a massively parallelized system

Andreas Bülter; Max Tillmann; Michael Wahl; Tino Röhlicke; Doreen Wernicke; Martin Wolff; Matthias Häussler; Nicolai Walter; Robin Stegmüller; Fabian Beutel; Wolfram Pernice; Carsten Schuck; Jasper Rödiger; Torsten Langer; Mario Gerecke; Uwe Ortmann

doi:10.1117/12.2608713

7 March 2022 High bandwidth photon detection enabled by a massively parallelized system

Andreas Bülter, Max Tillmann, Michael Wahl, Tino Röhlicke, Doreen Wernicke, Martin Wolff, Matthias Häussler, Nicolai Walter, Robin Stegmüller, Fabian Beutel, Wolfram Pernice, Carsten Schuck, Jasper Rödiger, Torsten Langer, Mario Gerecke, Uwe Ortmann

Author Affiliations +

Proceedings Volume PC12015, Quantum Computing, Communication, and Simulation II; PC1201517 (2022) https://doi.org/10.1117/12.2608713
Event: SPIE OPTO, 2022, San Francisco, California, United States

Conference Poster

Abstract

One key challenge in transferring single-photon based quantum technologies from a laboratory environment ‘into the field’ are the limited count rates achievable with today's hardware based on individual detection units. To overcome this limitation we have developed key components pushing beyond the bandwidth-limit of single devices with a massively parallelized (x64) single-photon detection system. Here, detector elements based on superconducting nanowires are optimized for lowest reset times and highest temporal resolution. On-chip (FPGA) data processing over all detector channels provides a viable solution to pre-process the potentially massive amount of initial data which is demonstarted in a QKD experiment.

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Andreas Bülter, Max Tillmann, Michael Wahl, Tino Röhlicke, Doreen Wernicke, Martin Wolff, Matthias Häussler, Nicolai Walter, Robin Stegmüller, Fabian Beutel, Wolfram Pernice, Carsten Schuck, Jasper Rödiger, Torsten Langer, Mario Gerecke, and Uwe Ortmann "High bandwidth photon detection enabled by a massively parallelized system", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC1201517 (7 March 2022); https://doi.org/10.1117/12.2608713

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