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Deterministic strain-induced arrays of quantum emitters in a two-dimensional semiconductor

Author

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  • Artur Branny

    (Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University)

  • Santosh Kumar

    (Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University)

  • Raphaël Proux

    (Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University)

  • Brian D Gerardot

    (Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University)

Abstract

An outstanding challenge in quantum photonics is scalability, which requires positioning of single quantum emitters in a deterministic fashion. Site positioning progress has been made in established platforms including defects in diamond and self-assembled quantum dots, albeit often with compromised coherence and optical quality. The emergence of single quantum emitters in layered transition metal dichalcogenide semiconductors offers new opportunities to construct a scalable quantum architecture. Here, using nanoscale strain engineering, we deterministically achieve a two-dimensional lattice of quantum emitters in an atomically thin semiconductor. We create point-like strain perturbations in mono- and bi-layer WSe2 which locally modify the band-gap, leading to efficient funnelling of excitons towards isolated strain-tuned quantum emitters that exhibit high-purity single photon emission. We achieve near unity emitter creation probability and a mean positioning accuracy of 120±32 nm, which may be improved with further optimization of the nanopillar dimensions.

Suggested Citation

  • Artur Branny & Santosh Kumar & Raphaël Proux & Brian D Gerardot, 2017. "Deterministic strain-induced arrays of quantum emitters in a two-dimensional semiconductor," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15053
    DOI: 10.1038/ncomms15053
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    1. Luca Sortino & Panaiot G. Zotev & Catherine L. Phillips & Alistair J. Brash & Javier Cambiasso & Elena Marensi & A. Mark Fox & Stefan A. Maier & Riccardo Sapienza & Alexander I. Tartakovskii, 2021. "Bright single photon emitters with enhanced quantum efficiency in a two-dimensional semiconductor coupled with dielectric nano-antennas," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    2. Emanuil S. Yanev & Thomas P. Darlington & Sophia A. Ladyzhets & Matthew C. Strasbourg & Chiara Trovatello & Song Liu & Daniel A. Rhodes & Kobi Hall & Aditya Sinha & Nicholas J. Borys & James C. Hone &, 2024. "Programmable nanowrinkle-induced room-temperature exciton localization in monolayer WSe2," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Roberto Rosati & Robert Schmidt & Samuel Brem & Raül Perea-Causín & Iris Niehues & Johannes Kern & Johann A. Preuß & Robert Schneider & Steffen Michaelis de Vasconcellos & Rudolf Bratschitsch & Ermin , 2021. "Dark exciton anti-funneling in atomically thin semiconductors," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    4. Artem N. Abramov & Igor Y. Chestnov & Ekaterina S. Alimova & Tatiana Ivanova & Ivan S. Mukhin & Dmitry N. Krizhanovskii & Ivan A. Shelykh & Ivan V. Iorsh & Vasily Kravtsov, 2023. "Photoluminescence imaging of single photon emitters within nanoscale strain profiles in monolayer WSe2," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    5. Pablo Hernández López & Sebastian Heeg & Christoph Schattauer & Sviatoslav Kovalchuk & Abhijeet Kumar & Douglas J. Bock & Jan N. Kirchhof & Bianca Höfer & Kyrylo Greben & Denis Yagodkin & Lukas Linhar, 2022. "Strain control of hybridization between dark and localized excitons in a 2D semiconductor," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    6. Le Zhang & Han Wang & Xinrong Zong & Yongheng Zhou & Taihong Wang & Lin Wang & Xiaolong Chen, 2022. "Probing interlayer shear thermal deformation in atomically-thin van der Waals layered materials," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    7. M. Iqbal Bakti Utama & Hongfei Zeng & Tumpa Sadhukhan & Anushka Dasgupta & S. Carin Gavin & Riddhi Ananth & Dmitry Lebedev & Wei Wang & Jia-Shiang Chen & Kenji Watanabe & Takashi Taniguchi & Tobin J. , 2023. "Chemomechanical modification of quantum emission in monolayer WSe2," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    8. Wei Liu & Viktor Ivády & Zhi-Peng Li & Yuan-Ze Yang & Shang Yu & Yu Meng & Zhao-An Wang & Nai-Jie Guo & Fei-Fei Yan & Qiang Li & Jun-Feng Wang & Jin-Shi Xu & Xiao Liu & Zong-Quan Zhou & Yang Dong & Xi, 2022. "Coherent dynamics of multi-spin V $${}_{{{{{{{{\rm{B}}}}}}}}}^{-}$$ B − center in hexagonal boron nitride," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    9. Longlong Yang & Yu Yuan & Bowen Fu & Jingnan Yang & Danjie Dai & Shushu Shi & Sai Yan & Rui Zhu & Xu Han & Hancong Li & Zhanchun Zuo & Can Wang & Yuan Huang & Kuijuan Jin & Qihuang Gong & Xiulai Xu, 2023. "Revealing broken valley symmetry of quantum emitters in WSe2 with chiral nanocavities," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    10. Huan Zhao & Michael T. Pettes & Yu Zheng & Han Htoon, 2021. "Site-controlled telecom-wavelength single-photon emitters in atomically-thin MoTe2," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    11. Ryan J. Gelly & Dylan Renaud & Xing Liao & Benjamin Pingault & Stefan Bogdanovic & Giovanni Scuri & Kenji Watanabe & Takashi Taniguchi & Bernhard Urbaszek & Hongkun Park & Marko Lončar, 2022. "Probing dark exciton navigation through a local strain landscape in a WSe2 monolayer," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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