Work

Robustness of optimal probabilistic storage and retrieval of unitary channels to noise

Year: 2022

Type: article

Abstract: We investigate robustness of probabilistic storage and retrieval device optimized for phase gates to noise. We use noisy input composed of convex combination of unitary channel with either depolarizing or dephasing channel. We find out that the resistance to dephasing noise is higher than to depolarization. Interestingly, for the depolarization the retrieval reduces the degree of noise. We also examine the possible realizations showing that their performance is different when the noise is present.

Source: Physical Review A

DOI: 10.1103/physreva.106.052416

Authors: Jaroslav Pavličko, Mário Ziman

Institutions: Slovak Academy of Sciences, Institute of Physics of the Slovak Academy of Sciences

Language: English

Topic: Quantum Information and Cryptography

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

Funders: John Templeton Foundation, Agentúra na Podporu Výskumu a Vývoja, Vedecká Grantová Agentúra MŠVVaŠ SR a SAV