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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2605.25398 |
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| _version_ | 1866914599078461440 |
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| author | Zhan, Yuancheng Cohen, Khen Koo, Norman T. W. Lim, Kian Hwee Zhang, Hui Wan, Lingxiao Chae, Sanghoon Liu, Ai Qun Bastidas, Victor M Oz, Yaron Kwek, Leong-Chuan |
| author_facet | Zhan, Yuancheng Cohen, Khen Koo, Norman T. W. Lim, Kian Hwee Zhang, Hui Wan, Lingxiao Chae, Sanghoon Liu, Ai Qun Bastidas, Victor M Oz, Yaron Kwek, Leong-Chuan |
| contents | Quantum technologies have become a powerful paradigm for quantum information and simulation, while quantum chaos plays a key role in understanding complex quantum dynamics. Integrated photonics offers unique advantages for quantum applications, including high-speed operation, scalability, and programmable unitary transformations. However, probing quantum chaos on integrated photonic platforms remains largely unexplored because a clear connection between programmable photonic dynamics and established chaos diagnostics is still lacking. In this work, we establish Fock-state boson sampling as a practical probe of quantum chaos by exploiting the sensitivity of multiphoton interference to the random-matrix properties of underlying single-particle unitary dynamics. More importantly, we design and fabricate a programmable silicon quantum photonic chip to experimentally implement this framework, achieving the first integrated-photonic demonstration of quantum-chaos probes based on boson sampling. Experimental results show that the three complementary probes proposed in this work, namely the distance to Porter-Thomas statistics, Shannon entropy, and Out-of-Time-Ordered-Correlator-equivalent observables, exhibit close agreement with theoretical predictions and consistently distinguish chaotic and integrable dynamics. Our work provides a scalable route for investigating complex quantum dynamics on programmable photonic platforms while leveraging the intrinsic advantages of boson sampling through multiphoton interference and complex output statistics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_25398 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Boson Sampling as a Probe of Chaotic and Integrable Quantum Dynamics Zhan, Yuancheng Cohen, Khen Koo, Norman T. W. Lim, Kian Hwee Zhang, Hui Wan, Lingxiao Chae, Sanghoon Liu, Ai Qun Bastidas, Victor M Oz, Yaron Kwek, Leong-Chuan Quantum Physics Quantum technologies have become a powerful paradigm for quantum information and simulation, while quantum chaos plays a key role in understanding complex quantum dynamics. Integrated photonics offers unique advantages for quantum applications, including high-speed operation, scalability, and programmable unitary transformations. However, probing quantum chaos on integrated photonic platforms remains largely unexplored because a clear connection between programmable photonic dynamics and established chaos diagnostics is still lacking. In this work, we establish Fock-state boson sampling as a practical probe of quantum chaos by exploiting the sensitivity of multiphoton interference to the random-matrix properties of underlying single-particle unitary dynamics. More importantly, we design and fabricate a programmable silicon quantum photonic chip to experimentally implement this framework, achieving the first integrated-photonic demonstration of quantum-chaos probes based on boson sampling. Experimental results show that the three complementary probes proposed in this work, namely the distance to Porter-Thomas statistics, Shannon entropy, and Out-of-Time-Ordered-Correlator-equivalent observables, exhibit close agreement with theoretical predictions and consistently distinguish chaotic and integrable dynamics. Our work provides a scalable route for investigating complex quantum dynamics on programmable photonic platforms while leveraging the intrinsic advantages of boson sampling through multiphoton interference and complex output statistics. |
| title | Boson Sampling as a Probe of Chaotic and Integrable Quantum Dynamics |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.25398 |