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Scaling of boson sampling experiments

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journal contribution
posted on 2024-07-26, 14:18 authored by Peter DrummondPeter Drummond, Bogdan Opanchuk, Laura Rosales Zarate, Margaret ReidMargaret Reid, P. J. Forrester
Boson sampling is the problem of generating a multiphoton state whose counting probability is the permanent of an nxn matrix. This is created as the output n-photon coincidence rate of a prototype quantum computing device with n input photons. It is a fundamental challenge to verify boson sampling, and therefore the question of how output count rates scale with matrix size n is crucial. Here we apply results from random matrix theory as well as the characteristic function approach from quantum optics to establish analytical scaling laws for average count rates. We treat boson sampling experiments with arbitrary inputs, outputs, and losses. Using the scaling laws we analyze grouping of channel outputs and the count rates for this case.

Funding

Mesoscopic quantum reality in the light of new technologies

Australian Research Council

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PDF (Published version)

ISSN

2469-9934

Journal title

Physical Review A

Volume

94

Issue

4

Article number

article no. 042339

Pagination

1 p

Publisher

American Physical Society

Copyright statement

Copyright © 2016 American Physical Society. The published version is reproduced in accordance with the copyright policy of the publisher.

Language

eng

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