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Superconducting Qubits Photonic Quantum Computing

Single-photon detectors combining ultra-high efficiency, detection-rates, and timing resolution

arXiv

Authors: Iman Esmaeil Zadeh, Johannes W. N. Los, Ronan B. M. Gourgues, Violette Steinmetz, Gabriele Bulgarini, Sergiy M. Dobrovolskiy, Val Zwiller, Sander N. Dorenbos

Year

2016

Paper ID

42524

Status

Preprint

Abstract Read

~2 min

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Abstract

Single-photon detection with high efficiency, high timing resolution, low dark counts and high photon detection-rates is crucial for a wide range of optical measurements. Although efficient detectors have been reported before, combining all performance parameters in a single device remains a challenge. Here, we show a broadband NbTiN superconducting nanowire detector with an efficiency exceeding 92%, over 150MHz photon detection-rate, a dark count-rate below 130Hz, operated in a Gifford-McMahon cryostat. Furthermore, with careful optimization of the detector design and readout electronics, we reach an ultra-low system timing jitter of 14.80ps (13.95ps decoupled) while maintaining high detection efficiencies.

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Single-photon detection with high efficiency, high timing resolution, low dark counts and high photon detection-rates is crucial for a wide range of optical measurements.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1611.02726 [2] arXiv https://arxiv.org/abs/1611.02726 [3] Publisher https://arxiv.org/abs/1611.02726

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