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Surpassing the no-cloning limit with a heralded hybrid linear amplifier

Haw, Jing Yan; Zhao, Jie; Dias, Josephine; Assad, Syed; Bradshaw, Mark; Blandino, Remi; Symul, Thomas; Ralph, Timothy Cameron; Lam, Ping Koy


The no-cloning theorem states that an unknown quantum state cannot be cloned exactly and deterministically. However, this limit can be circumvented by abandoning determinism and using probabilistic methods. Here, we report an experimental demonstration of probabilistic cloning of arbitrary coherent states that clearly surpasses the no-cloning limit. Our scheme is based on a hybrid linear amplifier that combines an ideal deterministic linear amplifier with a heralded measurement-based noiseless...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017
DOI: 10.1109/CLEOPR.2017.8119040


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