Harnessing Photon Indistinguishability in Quantum Extreme Learning Machines
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909612819611648 |
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| author | Joly, Malo Makowski, Adrian Courme, Baptiste Porstendorfer, Lukas Wilksen, Steffen Charbon, Edoardo Gies, Christopher Defienne, Hugo Gigan, Sylvain |
| author_facet | Joly, Malo Makowski, Adrian Courme, Baptiste Porstendorfer, Lukas Wilksen, Steffen Charbon, Edoardo Gies, Christopher Defienne, Hugo Gigan, Sylvain |
| contents | Recent advancements in machine learning have led to an exponential increase in computational demands, driving the need for innovative computing platforms. Quantum computing, with its Hilbert space scaling exponentially with the number of particles, emerges as a promising solution. In this work, we implement a quantum extreme machine learning (QELM) protocol leveraging indistinguishable photon pairs and multimode fiber as a random densly connected layer. We experimentally study QELM performance based on photon coincidences -- for distinguishable and indistinguishable photons -- on an image classification task. Simulations further show that increasing the number of photons reveals a clear quantum advantage. We relate this improved performance to the enhanced dimensionality and expressivity of the feature space, as indicated by the increased rank of the feature matrix in both experiment and simulation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_11238 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Harnessing Photon Indistinguishability in Quantum Extreme Learning Machines Joly, Malo Makowski, Adrian Courme, Baptiste Porstendorfer, Lukas Wilksen, Steffen Charbon, Edoardo Gies, Christopher Defienne, Hugo Gigan, Sylvain Quantum Physics Recent advancements in machine learning have led to an exponential increase in computational demands, driving the need for innovative computing platforms. Quantum computing, with its Hilbert space scaling exponentially with the number of particles, emerges as a promising solution. In this work, we implement a quantum extreme machine learning (QELM) protocol leveraging indistinguishable photon pairs and multimode fiber as a random densly connected layer. We experimentally study QELM performance based on photon coincidences -- for distinguishable and indistinguishable photons -- on an image classification task. Simulations further show that increasing the number of photons reveals a clear quantum advantage. We relate this improved performance to the enhanced dimensionality and expressivity of the feature space, as indicated by the increased rank of the feature matrix in both experiment and simulation. |
| title | Harnessing Photon Indistinguishability in Quantum Extreme Learning Machines |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2505.11238 |