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Phase estimation of coherent states with a noiseless linear amplifier

Assad, Syed; Bradshaw, Mark; Lam, Ping Koy

Description

Amplification of quantum states is inevitably accompanied with the introduction of noise at the output. For protocols that are probabilistic with heralded success, noiseless linear amplification in theory may still be possible. When the protocol is successful, it can lead to an output that is a noiselessly amplified copy of the input. When the protocol is unsuccessful, the output state is degraded and is usually discarded. Probabilistic protocols may improve the performance of some quantum...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/245923
Source: International Journal of Quantum Information
DOI: 10.1142/S0219749917500095
Access Rights: Open Access

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