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Conferences > QIM > 2019 > T5A > T5A.55

Composable security of two-way continuous-variable quantum key distribution without active symmetrization

Shouvik Ghorai, Eleni Diamanti, and Anthony Leverrier

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Abstract

We present a general framework for CV-QKD protocols involving only a Gaussian modulation of coherent states and heterodyne detection. We exploit their symmetry in phase-space to obtain a composable security proof against general attacks.

© 2019 The Author(s)

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