Integration of photonic integrated circuit functionalities with superconducting nanowire single photon detectors

C. Schuck

doi:10.1117/12.3012124

13 March 2024 Integration of photonic integrated circuit functionalities with superconducting nanowire single photon detectors

C. Schuck

Author Affiliations +

Proceedings Volume 12911, Quantum Computing, Communication, and Simulation IV; 1291103 (2024) https://doi.org/10.1117/12.3012124
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

Superconducting Nanowire Single Photon Detectors (SNSPD) have set leading performance benchmarks in terms of detection efficiency, low noise operation, speed, and timing accuracy. Besides scaling up the numbers of individually addressable nanowire detector channels, integration with nanophotonic functionalities as well as optical and electrical multiplexing will be key to advance single photon counting applications, such as quantum key distribution, optical quantum information processing and simulations of sampling problems. Here we show how integration of SNSPDs with nanophotonic circuit components gives rise to novel use cases. We combine highperformance waveguide-integrated SNSPDs with nano-electromechanical phase-shifters, high speed electro-optic modulators, sub-wavelength grating structures, directional coupler networks, on-chip delay lines and highly efficient and broadband 3D-interconnects to optical fibers, achieving crucial active and passive functionalities for integrated quantum photonics. We showcase the capabilities and practical relevance of photonic integrated SNSPD solutions for the example of high-rate quantum key distribution receivers.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

C. Schuck "Integration of photonic integrated circuit functionalities with superconducting nanowire single photon detectors", Proc. SPIE 12911, Quantum Computing, Communication, and Simulation IV, 1291103 (13 March 2024); https://doi.org/10.1117/12.3012124

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