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Trapped Ion Quantum Computing

Efficient Heralding of Photonic Qubits with Apllications to Device Independent Quantum Key Distribution

arXiv

Authors: David Pitkänen, Xiongfeng Ma, Ricardo Wickert, Peter van Loock, Norbert Lütkenhaus

Year

2011

Paper ID

8820

Status

Preprint

Abstract Read

~2 min

Abstract Words

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Abstract

We present an efficient way of heralding photonic qubit signals using linear optics devices. First we show that one can obtain asymptotically perfect heralding and unit success probability with growing resources. Second, we show that even using finite resources, we can improve qualitatively and quantitatively over earlier heralding results. In the latte r scenario, we can obtain perfect heralded photonic qubits while maintaining a finite success probability. We demonstrate the advantage of our heralding scheme by predicting key rates for device independent quantum key distribution, taking imperfections of sources and detectors into account.

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This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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We present an efficient way of heralding photonic qubit signals using linear optics devices.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1105.2811 [2] arXiv https://arxiv.org/abs/1105.2811 [3] Publisher https://arxiv.org/abs/1105.2811

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