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Photonic Quantum Computing
Photon Efficiency Limits in the Presence of Background Noise
arXiv
Authors: Konrad Banaszek, Wojciech Zwoliński, Ludwig Kunz, Marcin Jarzyna
Year
2019
Paper ID
14765
Status
Preprint
Abstract Read
~2 min
Abstract Words
83
Citations
N/A
Abstract
We identify theoretical limits on the photon information efficiency (PIE) of a deep-space optical communication link constrained by the average signal power and operated in the presence of background noise. The ability to implement a scalable modulation format, Geiger-type direct photon counting detection, and complete decoding of detection events are assumed in the analysis. The maximum attainable PIE is effectively determined by the background noise strength and it exhibits a weak, logarithmic dependence on the detected number of background photons per temporal slot.
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- We identify theoretical limits on the photon information efficiency (PIE) of a deep-space optical communication link constrained by the average signal power and operated in the...
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