Semi-device independent randomness from d-outcome continuous-variable detection

Hamid Tebyanian; Marco Avesani; Giuseppe Vallone; Paolo Villoresi

doi:10.1103/PhysRevA.104.062424

Semi-device independent randomness from d-outcome continuous-variable detection

Hamid Tebyanian, Marco Avesani, Giuseppe Vallone, Paolo Villoresi

Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

Recently, semi-device independent protocols have attracted increasing attention, guaranteeing security with few hypotheses and experimental simplicity. In this paper, we demonstrate a many-outcomes scheme with the binary phase-shift keying (BPSK) for a semi-device independent protocol based on the energy assumption. We show in theory that the number of certified random bits of the d-outcomes system outperforms the standard scheme (binary-outcomes). Furthermore, we compare the results of two well-known measurement schemes, homodyne and heterodyne detection. Lastly, taking into account the experimental imperfections, we discuss the experimental feasibility of the d-outcome design.

Original language	English
Article number	062424
Number of pages	8
Journal	Physical Review A
Volume	104
DOIs	https://doi.org/10.1103/PhysRevA.104.062424
Publication status	Published - 14 Dec 2021

Bibliographical note

8 pages, 11 figures
©2021 American Physical Society. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details

Keywords

quant-ph

Access to Document

10.1103/PhysRevA.104.062424

2009.08897v1
©2021 American Physical Society. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details
Accepted author manuscript, 1.84 MB

Cite this

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