Probabilistic Photonic Computing
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866908848774709248 |
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| author | Brückerhoff-Plückelmann, Frank Ovvyan, Anna P. Varri, Akhil Borras, Hendrik Klein, Bernhard Wright, C. David Bhaskaran, Harish Syed, Ghazi Sarwat Sebastian, Abu Fröning, Holger Pernice, Wolfram |
| author_facet | Brückerhoff-Plückelmann, Frank Ovvyan, Anna P. Varri, Akhil Borras, Hendrik Klein, Bernhard Wright, C. David Bhaskaran, Harish Syed, Ghazi Sarwat Sebastian, Abu Fröning, Holger Pernice, Wolfram |
| contents | Probabilistic computing excels in approximating combinatorial problems and modelling uncertainty. However, using conventional deterministic hardware for probabilistic models is challenging: (pseudo) random number generation introduces computational overhead and additional data shuffling, which is particularly detrimental for safety-critical applications requiring low latency such as autonomous driving. Therefore, there is a pressing need for innovative probabilistic computing architectures that achieve low latencies with reasonable energy consumption. Physical computing offers a promising solution, as these systems do not rely on an abstract deterministic representation of data but directly encode the information in physical quantities. Therefore, they can be seamlessly integrated with physical entropy sources, enabling inherent probabilistic architectures. Photonic computing is a prominent variant due to the large available bandwidth, several orthogonal degrees of freedom for data encoding and optimal properties for in-memory computing and parallel data transfer. Here, we highlight key developments in physical photonic computing and photonic random number generation. We provide insights into the realization of probabilistic photonic processors and lend our perspective on their impact on AI systems and future challenges. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_19968 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Probabilistic Photonic Computing Brückerhoff-Plückelmann, Frank Ovvyan, Anna P. Varri, Akhil Borras, Hendrik Klein, Bernhard Wright, C. David Bhaskaran, Harish Syed, Ghazi Sarwat Sebastian, Abu Fröning, Holger Pernice, Wolfram Applied Physics Probabilistic computing excels in approximating combinatorial problems and modelling uncertainty. However, using conventional deterministic hardware for probabilistic models is challenging: (pseudo) random number generation introduces computational overhead and additional data shuffling, which is particularly detrimental for safety-critical applications requiring low latency such as autonomous driving. Therefore, there is a pressing need for innovative probabilistic computing architectures that achieve low latencies with reasonable energy consumption. Physical computing offers a promising solution, as these systems do not rely on an abstract deterministic representation of data but directly encode the information in physical quantities. Therefore, they can be seamlessly integrated with physical entropy sources, enabling inherent probabilistic architectures. Photonic computing is a prominent variant due to the large available bandwidth, several orthogonal degrees of freedom for data encoding and optimal properties for in-memory computing and parallel data transfer. Here, we highlight key developments in physical photonic computing and photonic random number generation. We provide insights into the realization of probabilistic photonic processors and lend our perspective on their impact on AI systems and future challenges. |
| title | Probabilistic Photonic Computing |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2602.19968 |