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Plasmon Mediated Long‐Range Interaction Between Quantum Emitters and Metasurface: Angle‐Controlled Unidirectional Emission Outcoupling

Muravitskaya, Alina; Kostcheev, Sergei; Baudrion, Anne‐Laure; Adam, Pierre‐Michel; Wang, Zhiming; Adawi, Ali M.; Bouillard, Jean‐Sebastien G.; Movsesyan, Artur

Authors

Alina Muravitskaya

Sergei Kostcheev

Anne‐Laure Baudrion

Pierre‐Michel Adam

Zhiming Wang

Artur Movsesyan



Abstract

The unidirectional emission of quantum dots (QDs) positioned near a plasmonic metasurface is demonstrated. By exploiting surface plasmon polaritons (SPPs) excited on a gold film beneath the emitter, emission with a controlled angle and reduced dependence on emitter positioning is achieved. The photoluminescence intensity varies with the relative position of the excitation spot to the edge of metasurface, exhibiting exponential decay with distance, while the main outcoupling angle remains stable beyond 20 microns. Numerical simulations reveal interference effects between light scattered at
the boundary and light transmitted and decoupled by the array, leading to oscillations in emission intensity and spectral shape. Lifetime measurements confirm that the structure filters out weakly coupled emission. The periodic nature of the plasmonic metasurface enables precise angular control, opening avenues for scalable photonic devices with tunable directional emission.

Citation

Muravitskaya, A., Kostcheev, S., Baudrion, A., Adam, P., Wang, Z., Adawi, A. M., Bouillard, J. G., & Movsesyan, A. (online). Plasmon Mediated Long‐Range Interaction Between Quantum Emitters and Metasurface: Angle‐Controlled Unidirectional Emission Outcoupling. Laser and Photonics Reviews, Article e00656. https://doi.org/10.1002/lpor.202500656

Journal Article Type Article
Acceptance Date Jul 7, 2025
Online Publication Date Jul 22, 2025
Deposit Date Jul 23, 2025
Publicly Available Date Jul 23, 2026
Journal Laser & Photonics Reviews
Print ISSN 1863-8880
Publisher Wiley-VCH Verlag
Peer Reviewed Peer Reviewed
Article Number e00656
DOI https://doi.org/10.1002/lpor.202500656
Keywords Photoluminescence; Plasmon; Quantum dots; SPP
Public URL https://hull-repository.worktribe.com/output/5289511

Files

This file is under embargo until Jul 23, 2026 due to copyright reasons.

Contact A.Adawi@hull.ac.uk to request a copy for personal use.



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