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A tunable transition metal dichalcogenide entangled photon-pair source

Author

Listed:
  • Maximilian A. Weissflog

    (Friedrich Schiller University Jena
    Max Planck School of Photonics)

  • Anna Fedotova

    (Friedrich Schiller University Jena
    Friedrich Schiller University Jena)

  • Yilin Tang

    (The Australian National University)

  • Elkin A. Santos

    (Friedrich Schiller University Jena)

  • Benjamin Laudert

    (Friedrich Schiller University Jena)

  • Saniya Shinde

    (Friedrich Schiller University Jena)

  • Fatemeh Abtahi

    (Friedrich Schiller University Jena)

  • Mina Afsharnia

    (Friedrich Schiller University Jena)

  • Inmaculada Pérez Pérez

    (Friedrich Schiller University Jena)

  • Sebastian Ritter

    (Friedrich Schiller University Jena
    Max Planck School of Photonics
    Fraunhofer Institute for Applied Optics and Precision Engineering IOF)

  • Hao Qin

    (The Australian National University)

  • Jiri Janousek

    (The Australian National University
    The Australian National University)

  • Sai Shradha

    (Friedrich Schiller University Jena
    Technical University of Darmstadt)

  • Isabelle Staude

    (Friedrich Schiller University Jena
    Friedrich Schiller University Jena)

  • Sina Saravi

    (Friedrich Schiller University Jena)

  • Thomas Pertsch

    (Friedrich Schiller University Jena
    Fraunhofer Institute for Applied Optics and Precision Engineering IOF)

  • Frank Setzpfandt

    (Friedrich Schiller University Jena
    Fraunhofer Institute for Applied Optics and Precision Engineering IOF)

  • Yuerui Lu

    (The Australian National University
    The Australian National University)

  • Falk Eilenberger

    (Friedrich Schiller University Jena
    Max Planck School of Photonics
    Fraunhofer Institute for Applied Optics and Precision Engineering IOF)

Abstract

Entangled photon-pair sources are at the core of quantum applications like quantum key distribution, sensing, and imaging. Operation in space-limited and adverse environments such as in satellite-based and mobile communication requires robust entanglement sources with minimal size and weight requirements. Here, we meet this challenge by realizing a cubic micrometer scale entangled photon-pair source in a 3R-stacked transition metal dichalcogenide crystal. Its crystal symmetry enables the generation of polarization-entangled Bell states without additional components and provides tunability by simple control of the pump polarization. Remarkably, generation rate and state tuning are decoupled, leading to equal generation efficiency and no loss of entanglement. Combining transition metal dichalcogenides with monolithic cavities and integrated photonic circuitry or using quasi-phasematching opens the gate towards ultrasmall and scalable quantum devices.

Suggested Citation

  • Maximilian A. Weissflog & Anna Fedotova & Yilin Tang & Elkin A. Santos & Benjamin Laudert & Saniya Shinde & Fatemeh Abtahi & Mina Afsharnia & Inmaculada Pérez Pérez & Sebastian Ritter & Hao Qin & Jiri, 2024. "A tunable transition metal dichalcogenide entangled photon-pair source," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51843-3
    DOI: 10.1038/s41467-024-51843-3
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    References listed on IDEAS

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    1. Mudassar Nauman & Jingshi Yan & Domenico de Ceglia & Mohsen Rahmani & Khosro Zangeneh Kamali & Costantino De Angelis & Andrey E. Miroshnichenko & Yuerui Lu & Dragomir N. Neshev, 2021. "Tunable unidirectional nonlinear emission from transition-metal-dichalcogenide metasurfaces," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    2. Tobias Vogl & Kabilan Sripathy & Ankur Sharma & Prithvi Reddy & James Sullivan & Joshua R. Machacek & Linglong Zhang & Fouad Karouta & Ben C. Buchler & Marcus W. Doherty & Yuerui Lu & Ping Koy Lam, 2019. "Radiation tolerance of two-dimensional material-based devices for space applications," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    3. Qiangbing Guo & Xiao-Zhuo Qi & Lishu Zhang & Meng Gao & Sanlue Hu & Wenju Zhou & Wenjie Zang & Xiaoxu Zhao & Junyong Wang & Bingmin Yan & Mingquan Xu & Yun-Kun Wu & Goki Eda & Zewen Xiao & Shengyuan A, 2023. "Ultrathin quantum light source with van der Waals NbOCl2 crystal," Nature, Nature, vol. 613(7942), pages 53-59, January.
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