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Ultrabright Multiplexed Energy-Time-Entangled Photon Generation from Lithium Niobate on Insulator Chip
Open accessAbstract
A high-flux entangled-photon source is a key resource for quantum optical study and application. Here, it is realized in a lithium niobate on isolator (LNOI) chip, with 2.79 \ifmmode\times\else\texttimes\fi{} ${10}^{11}$ Hz/mW photon-pair rate and 1.53 \ifmmode\times\else\texttimes\fi{} ${10}^{9}$ Hz/(nm mW) spectral brightness. These data are boosted by over 2 orders of magnitude compared with existing technologies. A 160-nm-broad bandwidth is engineered for eight-channel multiplexed energy-time entanglement. Harnessed by high-extinction-frequency correlation and Franson interferences up to 99.17% visibility, such energy-time-entanglement multiplexing further enhances the high-flux data rate and warrants broad application in quantum-information processing on a chip.
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“Because of the small waveguide cross-sectional area, significant performance benefits can be achieved in comparison to traditional SPDC waveguides in LN [98,106].”
From 2022 Roadmap on integrated quantum photonics (2022) · cites this paper as [106]
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Integrated lithium niobate electro-optic modulators operating at CMOS-compatible voltages
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Weis, R. S., & Gaylord, T. K. (1985) · Applied Physics A Solids and Surfaces · doi:10.1007/bf00614817 · Cited by 1,868 · cited 1×
“INTRODUCTION Lithium niobate (LiNbO3, LN) crystal is known for its superior optical performance [1], such as low optical transmission losses, large electro-optical and second-order nonlinear coefficients, etc.”
BackgroundIntegrated photonic quantum technologies
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Self-citationBroadband electro-optic frequency comb generation in a lithium niobate microring resonator
Zhang, M., Buscaino, B., Wang, C., Shams-Ansari, A., Reimer, C., Zhu, R., Kahn, J. M., & Lončar, M. (2019) · Nature · doi:10.1038/s41586-019-1008-7 · Cited by 980
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Cited by
Sorted by citations
2022 Roadmap on integrated quantum photonics
Moody, G., Sorger, V. J., Blumenthal, D. J., Juodawlkis, P. W., Loh, W., Sorace-Agaskar, C., Jones, A. E., Balram, K. C., Matthews, J. C. F., Laing, A., et al. (2022) · Journal of Physics: Photonics · doi:10.1088/2515-7647/ac1ef4 · Cited by 6
Metadata
- Authors
- Xue, G.-T., Niu, Y.-F., Liu, X., Duan, J.-C., Chen, W., Pan, Y., Jia, K., Wang, X., Liu, H.-Y., Zhang, Y., Xu, P., Zhao, G., Cai, X., Gong, Y.-X., Hu, X., Xie, Z., & Zhu, S.
- Affiliations
- Collaborative Innovation Center of Advanced Microstructures (CN)
- Sun Yat-sen University (CN)
- National University of Defense Technology (CN)
- Corresponding author
- Gong, Yan-Xiao
- Venue
- Physical Review Applied
- Publisher
- American Physical Society (APS)
- Published
- 2021-06-24
- Volume
- 15
- Issue
- 6
- ISSN
- 2331-7019 (ISSN-L)
- OpenAlex
- W3112779508
- Cited by
- 109
- References
- 13
- Citations by year
- 2026: 15 · 2025: 19 · 2024: 36 · 2023: 17 · 2022: 15 · 2021: 7
- FWCI
- 6.63
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Applied (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- arXiv (Cornell University)
- Funders
- National Key R&D Program of China (2019YFA0705000, 2017YFA0303700)
- Key R&D Program of Guangdong Province (2018B030329001)
- National Natural Science Foundation of China (51890861, 11690031, 11621091, 11627810, 11674169, 91950206, 11974178)
- Fundamental Research Funds for the Central Universities (021314380177)
- Leading-Edge Technology Program of Jiangsu Natural Science Foundation (BK20192001)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Photorefractive and Nonlinear Optics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- energy-time entanglement, entangled photon pairs, lithium niobate on insulator, spectral brightness, integrated photonics
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