High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces

Jiantao Ma; Dong Liu; Shunfa Liu; Jiawei Yang; Nilo Mata-Cervera; Bo Chen; Xueshi Li; Guixin Qiu; Kaixuan Chen; Hanqing Liu; Haiqiao Ni; Dunzhao Wei; Zhichuan Niu; Ying Yu; Yijie Shen; Liu Liu; Xuehua Wang; Jin Liu

doi:10.1186/s43593-026-00130-3

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High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces

eLight 2026年6卷

Research Article | Updated：2026-07-21

- High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces
- High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces
- Affiliations：
- Author bio：
- Funds：
  
  National Natural Science Foundation of China;Natural Science Foundation of Guangdong Province;Ministry of Education - Singapore;Agency for Science, Technology and Research;Key Technologies Research and Development Program
- DOI：10.1186/s43593-026-00130-3
  中图分类号：
- 收稿：2026-02-01，
  
  修回：2026-03-05，
  
  录用：2026-03-09，
  
  网络首发：2026-04-23，
  
  纸质出版：2026-12
- Accepted：
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Jiantao Ma, Dong Liu, Shunfa Liu, 等. High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces[J]. eLight, 2026,6.

Jiantao Ma, Dong Liu, Shunfa Liu, et al. High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces[J]. eLight, 2026, 6.
Jiantao Ma, Dong Liu, Shunfa Liu, 等. High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces[J]. eLight, 2026,6. DOI： 10.1186/s43593-026-00130-3.

Jiantao Ma, Dong Liu, Shunfa Liu, et al. High-performance sources of multidimensionally engineered quantum light based on monolithic microcavity-metalens interfaces[J]. eLight, 2026, 6. DOI： 10.1186/s43593-026-00130-3.

摘要

Abstract

The ultimate non-classic light sources for modern photonic quantum technology require on-demand generation of indistinguishable quantum light with high brightness and flexible engineering of quantum emission in multiple degrees of freedom. In this work

we present monolithic microcavity-metalens interfaces consisting of quantum-dot-micropillar single-photon sources and ultra-thin metalenses accurately aligned on opposite sides of an III-V compound semiconductor chip. The pronounced cavity quantum electrodynamics effect enabled by the micropillar cavity facilitates single-photon emission from quantum dots with simultaneous high degrees of single-photon purity

source brightness and photon indistinguishability while the multi-functional metalenses concurrently tailor quantum emission in multiple physical degrees of freedom including radiation divergence

emission directionality

polarization state and orbital angular momentum (OAM). Furthermore

high-fidelity polarization-OAM entanglement and single photons with local spin topologies are successfully generated in our integrated device. In particular

we demonstrate stable propagations of single-photon skrymions in atmospheric turbulence and reveal their topological advantages over the conventional structured quantum light. Our work advances the research fields of integrated quantum photonics and meta-optics

providing integrated high-dimensional quantum light sources for advanced photonic quantum science and technology.

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Keywords

references

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