Journal of Systems Engineering and Electronics ›› 2024, Vol. 35 ›› Issue (5): 1287-1294.doi: 10.23919/JSEE.2024.000104

• CONTROL THEORY AND APPLICATION • Previous Articles     Next Articles

Low-power system model for quantum entangled photon-pair source

Tianxuan FENG1(), Hanyi ZHANG1(), Rong FAN1(), Honghao MA2(), Mengcheng DONG3(), Lijing LI1,*()   

  1. 1 School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing 100191, China
    2 Engineering Training Center, Beihang University, Beijing 102206, China
    3 Beijing Aerospace Automatic Control Institute, Beijing 100854, China
  • Received:2023-11-01 Accepted:2023-11-20 Online:2024-10-18 Published:2024-11-06
  • Contact: Lijing LI E-mail:371901301@qq.com;164401013@qq.com;fanrong_buaa@outlook.com;mahonghao@buaa.edu.cn;dongmengcheng_1120@163.com;lilijing@buaa.edu.cn
  • About author:
    FENG Tianxuan was born in 1996. He received his B.E. degree in optoelectronic information science and engineering from Beihang University, China, in 2018. He is currently pursuing his Ph.D. degree in optical engineering from Beihang University, Beijing, China. His research interests include quantum entangled photon-pair preparation, fiber sensing and photoelectric detection. E-mail: 371901301@qq.com

    ZHANG Hanyi was born in 1995. He received his B.E. degree in optoelectronic information science and engineering from Nanjing University of Posts and Telecommunications, Nanjing, China, in 2017 and M.S. degree in optical engineering from Beijing University of Technology, Beijing, China, in 2021. He is currently pursuing his Ph.D. degree in Beihang University, Beijing, China. His research interests include single-photon LiDAR, lithium niobate modulators and integrated optical devices. E-mail: 164401013@qq.com

    FAN Rong was born in 1996. She received her B.S. degree and M.S. degree in electronic science and technology from Heilongjiang University, Harbin, China, and Hebei University of Technology, Tianjin, China, in 2018 and 2022, respectively. She is currently pursuing her Ph.D. degree in Beihang University, Beijing, China. Her research interests include nonlinear optics and applications. E-mail: fanrong_buaa@outlook.com

    MA Honghao was born in 1992. He received his B.S. degree from Shenyuan Honors College and Ph.D. degree from School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China, in 2016 and 2022, respectively. His research interests include resonant fiber optic gyros. E-mail: mahonghao@buaa.edu.cn

    DONG Mengcheng was born in 1995. He received his B.E. degree in detection guidance and control technology and his M.E. degree in instrument science and technology from Beihang University, Beijing, China, in 2018 and 2021, respectively. He is currently an engineer of Beijing Aerospace Automatic Control Institute, Beijing, China. His research interests include aerospace control systems integration. E-mail: dongmengcheng_1120@163.com

    LI Lijing was born in 1974. He received his Ph.D. degree from Tianjin University, Tianjin, China, in 2002. He is currently a professor with School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China. His research interests include missile guidance and control, photoelectric detection imaging, and fiber sensing. E-mail: lilijing@buaa.edu.cn

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Abstract:

The quantum entangled photon-pair source, as an essential component of optical quantum systems, holds great potential for applications such as quantum teleportation, quantum computing, and quantum imaging. The current workhorse technique for preparing photon pairs involves performing spontaneous parametric down conversion (SPDC) in bulk nonlinear crystals. However, the current power consumption and cost of preparing entangled photon-pair sources are relatively high, posing challenges to their integration and scalability. In this paper, we propose a low-power system model for the quantum entangled photon-pair source based on SPDC theory and phase matching technology. This model allows us to analyze the performance of each module and the influence of component characteristics on the overall system. In our experimental setup, we utilize a 5 mW laser diode and a typical type-II barium metaborate (BBO) crystal to prepare an entangled photon-pair source. The experimental results are in excellent agreement with the model, indicating a significant step towards achieving the goal of low-power and low-cost entangled photon-pair sources. This achievement not only contributes to the practical application of quantum entanglement lighting, but also paves the way for the widespread adoption of optical quantum systems in the future.

Key words: low-power system model, optical quantum system, entangled photon-pair source, spontaneous parametric down conversion

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