Photon pair generation from lithium niobate metasurface with tunable spatial entanglement Article Swipe
Jihua Zhang
,
Jinyong Ma
,
Dragomir N. Neshev
,
Andrey A. Sukhorukov
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3788/col202321.010005
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3788/col202321.010005
Two-photon state with spatial entanglement is an essential resource for\ntesting fundamental laws of quantum mechanics and various quantum applications.\nIts creation typically relies on spontaneous parametric down-conversion in\nbulky nonlinear crystals where the tunability of spatial entanglement is\nlimited. Here, we predict that ultrathin nonlinear lithium niobate metasurfaces\ncan generate and diversely tune spatially entangled photon pairs. The spatial\nproperties of photons including the emission pattern, rate, and degree of\nspatial entanglement are analysed theoretically with the coupled mode theory\nand Schmidt decomposition method. We show that by leveraging the strong angular\ndispersion of the metasurface, the degree of spatial entanglement quantified by\nthe Schmidt number can be decreased or increased by changing the pump laser\nwavelength and a Gaussian beam size. This flexibility can facilitate diverse\nquantum applications of entangled photon states generated from nonlinear\nmetasurfaces.\n
Related Topics
Concepts
Quantum entanglement
Lithium niobate
Spontaneous parametric down-conversion
Physics
Photon
Photon entanglement
Optics
Quantum optics
Quantum imaging
Nonlinear system
Gaussian
Nonlinear optics
Quantum
Quantum mechanics
Quantum network
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3788/col202321.010005
- https://www.researching.cn/ArticlePdf/m00005/2023/21/1/010005.pdf
- OA Status
- bronze
- Cited By
- 13
- References
- 39
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4310475259
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4310475259Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3788/col202321.010005Digital Object Identifier
- Title
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Photon pair generation from lithium niobate metasurface with tunable spatial entanglementWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-11-30Full publication date if available
- Authors
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Jihua Zhang, Jinyong Ma, Dragomir N. Neshev, Andrey A. SukhorukovList of authors in order
- Landing page
-
https://doi.org/10.3788/col202321.010005Publisher landing page
- PDF URL
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https://www.researching.cn/ArticlePdf/m00005/2023/21/1/010005.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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bronzeOpen access status per OpenAlex
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https://www.researching.cn/ArticlePdf/m00005/2023/21/1/010005.pdfDirect OA link when available
- Concepts
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Quantum entanglement, Lithium niobate, Spontaneous parametric down-conversion, Physics, Photon, Photon entanglement, Optics, Quantum optics, Quantum imaging, Nonlinear system, Gaussian, Nonlinear optics, Quantum, Quantum mechanics, Quantum networkTop concepts (fields/topics) attached by OpenAlex
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13Total citation count in OpenAlex
- Citations by year (recent)
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2025: 6, 2024: 4, 2023: 3Per-year citation counts (last 5 years)
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39Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| publication_date | 2022-11-30 |
| publication_year | 2022 |
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