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  Quantum computer-aided design of quantum optics hardware

Kottmann, J. S., Krenn, M., Kyaw, T. H., Alperin-Lea, S., & Aspuru-Guzik, A. (2021). Quantum computer-aided design of quantum optics hardware. Quantum Science and Technology, 6(3): 035010. doi:10.1088/2058-9565/abfc94.

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Genre: Journal Article

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 Creators:
Kottmann, Jakob S.1, Author
Krenn, Mario1, 2, Author              
Kyaw, Thi Ha1, Author
Alperin-Lea, Sumner1, Author
Aspuru-Guzik, Alan1, Author
Affiliations:
1University of Toronto, ou_persistent22              
2External Organizations, ou_persistent22              

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Free keywords: quantum computing; quantum simulation; quantum optics; quantum algorithms; photonics; state preparation
 Abstract: The parameters of a quantum system grow exponentially with the number of involved quantum particles. Hence, the associated memory requirement to store or manipulate the underlying wavefunction goes well beyond the limit of the best classical computers for quantum systems composed of a few dozen particles, leading to serious challenges in their numerical simulation. This implies that the verification and design of new quantum devices and experiments are fundamentally limited to small system size. It is not clear how the full potential of large quantum systems can be exploited. Here, we present the concept of quantum computer designed quantum hardware and apply it to the field of quantum optics. Specifically, we map complex experimental hardware for high-dimensional, many-body entangled photons into a gate-based quantum circuit. We show explicitly how digital quantum simulation of Boson sampling experiments can be realized. We then illustrate how to design quantum-optical setups for complex entangled photonic systems, such as high-dimensional Greenberger-Horne-Zeilinger states and their derivatives. Since photonic hardware is already on the edge of quantum supremacy and the development of gate-based quantum computers is rapidly advancing, our approach promises to be a useful tool for the future of quantum device design.

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Language(s): eng - English
 Dates: 2021-07
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000680666100001
DOI: 10.1088/2058-9565/abfc94
 Degree: -

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Title: Quantum Science and Technology
Source Genre: Journal
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Publ. Info: Bristol, UK : IOP Publishing
Pages: - Volume / Issue: 6 (3) Sequence Number: 035010 Start / End Page: - Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/ISSN 2058-9565