Metalens-array–based high-dimensional and multiphoton quantum source-Reference-Cited by-同舟云学术

Metalens-array–based high-dimensional and multiphoton quantum source

Published:2020-06-26 Issue:6498 Volume:368 Page:1487-1490
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Li Lin¹²³⁴^ORCID,Liu Zexuan¹⁵⁶^ORCID,Ren Xifeng⁷⁸^ORCID,Wang Shuming¹⁵⁶^ORCID,Su Vin-Cent⁹,Chen Mu-Ku²³¹⁰^ORCID,Chu Cheng Hung³¹⁰^ORCID,Kuo Hsin Yu³¹⁰^ORCID,Liu Biheng⁷⁸^ORCID,Zang Wenbo¹⁶,Guo Guangcan⁷⁸,Zhang Lijian¹⁵⁶^ORCID,Wang Zhenlin¹⁶^ORCID,Zhu Shining¹⁵⁶^ORCID,Tsai Din Ping²³¹⁰^ORCID

Affiliation:

1. National Laboratory of Solid State Microstructures, School of Physics, College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, China.

2. Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong.

3. Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan.

4. State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai, 200062, China.

5. Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing, 210093, China.

6. Collaborative Innovation Center of Advanced Microstructures, Nanjing, 210093, China.

7. Key Laboratory of Quantum Information, CAS, University of Science and Technology of China, Hefei, 230026, China.

8. Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, 230026, China.

9. Department of Electrical Engineering, National United University, Miaoli 36003, Taiwan.

10. Department of Physics, National Taiwan University, Taipei 10617, Taiwan.

Abstract

Metalens-array–based quantum source Spontaneous down-conversion is an exotic optical process in a nonlinear crystal in which a high-energy photon splits into two lower-energy photons that are quantum mechanically entangled. These entangled pairs are valuable commodities for quantum information processing and quantum communications. Because the experimental setup is usually performed with bulk optical components, there is a need to decrease the size scale for application. Li et al. combined an array of specialized metalenses with a nonlinear crystal and show that the scale of the process can be shrunk substantially. The approach should prove useful for developing miniaturized integrated quantum optical technologies. Science , this issue p. 1487

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference28 articles.

1. Quantum cryptography

2. Quantum communication

3. The security of practical quantum key distribution

4. Secure quantum key distribution

5. A scheme for efficient quantum computation with linear optics

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