Bell-State Quantum Holography with Metasurfaces
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918192958406656 |
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| author | Chen, Qinmiao Geng, Guangzhou Liang, Hong Wong, Wai Chun An, Tailin Tanuwijaya, Randy Stefan Li, Junjie Li, Jensen |
| author_facet | Chen, Qinmiao Geng, Guangzhou Liang, Hong Wong, Wai Chun An, Tailin Tanuwijaya, Randy Stefan Li, Junjie Li, Jensen |
| contents | Metasurfaces composed of subwavelength nanostructures enable simultaneous control of polarization and wavefront, greatly enhancing holographic information capacity. Building on this capability, we extend holography into the quantum domain by experimentally realizing Bell-state holograms-distinct holographic images encoded in polarization-entangled Bell states of photon pairs. A polarization-multiplexed dielectric metasurface generates spatial modes conditioned on both input and output polarizations, entangling the holographic pattern with the two-photon state. To characterize these quantum holograms, we further develop quantum hologram tomography, reconstructing the full density matrix of the holographic state pixel by pixel. The reconstructed density-matrix hologram reveals tailor-made holographic symbols attached to individual Bell states through the metasurface, with contrast built up among the different Bell components as theory shows. This framework unifies metasurface photonics with quantum-state reconstruction and provides a scalable route toward high-dimensional quantum communication, encryption and information processing based on holographically encoded quantum light. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_14138 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Bell-State Quantum Holography with Metasurfaces Chen, Qinmiao Geng, Guangzhou Liang, Hong Wong, Wai Chun An, Tailin Tanuwijaya, Randy Stefan Li, Junjie Li, Jensen Optics Quantum Physics Metasurfaces composed of subwavelength nanostructures enable simultaneous control of polarization and wavefront, greatly enhancing holographic information capacity. Building on this capability, we extend holography into the quantum domain by experimentally realizing Bell-state holograms-distinct holographic images encoded in polarization-entangled Bell states of photon pairs. A polarization-multiplexed dielectric metasurface generates spatial modes conditioned on both input and output polarizations, entangling the holographic pattern with the two-photon state. To characterize these quantum holograms, we further develop quantum hologram tomography, reconstructing the full density matrix of the holographic state pixel by pixel. The reconstructed density-matrix hologram reveals tailor-made holographic symbols attached to individual Bell states through the metasurface, with contrast built up among the different Bell components as theory shows. This framework unifies metasurface photonics with quantum-state reconstruction and provides a scalable route toward high-dimensional quantum communication, encryption and information processing based on holographically encoded quantum light. |
| title | Bell-State Quantum Holography with Metasurfaces |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2510.14138 |