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Quantum Energetic Advantage before Computational Advantage in Boson Sampling

arXiv Quantum Physics
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⚡ Quantum Brief
Researchers demonstrate that photonic quantum computers can achieve an "energetic advantage" over classical systems in Boson Sampling—consuming less energy per sample—before reaching computational speed superiority, even when classical algorithms remain faster. The study introduces a Metric-Noise-Resource framework to quantify energy efficiency, linking experimental parameters, noise processes, and resource demands in a photonic quantum architecture tailored for Boson Sampling. Energy-per-sample estimates reveal optimal operating regimes where quantum devices outperform classical counterparts in efficiency, despite not yet surpassing them in raw computational speed or problem size. A proposed near-term photonic architecture includes a detailed noise and loss budget, offering a practical roadmap to observe this energetic advantage experimentally with current or near-future technology. This work reframes quantum advantage beyond speed, highlighting energy efficiency as a critical, achievable milestone for scalable quantum computing before full computational supremacy is realized.
Quantum Energetic Advantage before Computational Advantage in Boson Sampling

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Quantum Physics arXiv:2601.08068 (quant-ph) [Submitted on 12 Jan 2026] Title:Quantum Energetic Advantage before Computational Advantage in Boson Sampling Authors:Ariane Soret, Nessim Dridi, Stephen C. Wein, Valérian Giesz, Shane Mansfield, Pierre-Emmanuel emeriau View a PDF of the paper titled Quantum Energetic Advantage before Computational Advantage in Boson Sampling, by Ariane Soret and 5 other authors View PDF HTML (experimental) Abstract:Understanding the energetic efficiency of quantum computers is essential for assessing their scalability and for determining whether quantum technologies can outperform classical computation beyond runtime alone. In this work, we analyze the energy required to solve the Boson Sampling problem, a paradigmatic task for quantum advantage, using a realistic photonic quantum computing architecture. Using the Metric-Noise-Resource methodology, we establish a quantitative connection between experimental control parameters, dominant noise processes, and energetic resources through a performance metric tailored to Boson Sampling. We estimate the energy cost per sample and identify operating regimes that optimize energetic efficiency. By comparing the energy consumption of quantum and state-of-the-art classical implementations, we demonstrate the existence of a quantum energetic advantage -- defined as a lower energy cost per sample compared to the best-known classical implementation -- that emerges before the onset of computational advantage, even in regimes where classical algorithms remain faster. Finally, we propose an experimentally feasible Boson Sampling architecture, including a complete noise and loss budget, that enables a near-term observation of quantum energetic advantage. Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2601.08068 [quant-ph] (or arXiv:2601.08068v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2601.08068 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Ariane Soret [view email] [v1] Mon, 12 Jan 2026 23:22:21 UTC (743 KB) Full-text links: Access Paper: View a PDF of the paper titled Quantum Energetic Advantage before Computational Advantage in Boson Sampling, by Ariane Soret and 5 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-01 References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

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energy-climate
government-funding
photonic-quantum
quantum-advantage
quantum-computing

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Source: arXiv Quantum Physics