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Open Quantum Systems Decoherence
Photonic Quantum Computing
Optical control of single-photon negative-feedback avalanche diode detector
arXiv
Authors: Gaëtan Gras, Nigar Sultana, Anqi Huang, Thomas Jennewein, Félix Bussières, Vadim Makarov, Hugo Zbinden
Year
2019
Paper ID
14462
Status
Preprint
Abstract Read
~2 min
Abstract Words
60
Citations
N/A
Abstract
We experimentally demonstrate optical control of negative-feedback avalanche diode (NFAD) detectors using bright light. We deterministically generate fake single-photon detections with a better timing precision than normal operation. This could potentially open a security loophole in quantum cryptography systems. We then show how monitoring the photocurrent through the avalanche photodiode can be used to reveal the detector is being blinded.
Why This Paper Matters
- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
- It adds a 2019 reference point for readers tracking recent quantum research.
- We experimentally demonstrate optical control of negative-feedback avalanche diode (NFAD) detectors using bright light.
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