Efficient excitation transfer in an LH2-inspired nanoscale stacked ring geometry

• URL: http://arxiv.org/abs/2409.15288v2
• Date: Wed, 9 Oct 2024 13:42:08 GMT
• Title: Efficient excitation transfer in an LH2-inspired nanoscale stacked ring geometry
• Authors: Arpita Pal, Raphael Holzinger, Maria Moreno-Cardoner, Helmut Ritsch,
• Abstract summary: Sub-wavelength ring-shaped structures of quantum emitters exhibit outstanding radiation properties. We predict highly efficient excitation transfer in a three-dimensional (3D) sub- concentric stacked ring structure with a diameter of 400 $nm$, formed by two-level atoms. Our findings open prospects for engineering other biomimetic light-matter platforms and emitter arrays to achieve efficient energy transfer.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Subwavelength ring-shaped structures of quantum emitters exhibit outstanding radiation properties and are useful for antennas, excitation transport, and storage. Taking inspiration from the oligomeric geometry of biological light-harvesting 2 (LH2) complexes, we study here generic examples and predict highly efficient excitation transfer in a three-dimensional (3D) subwavelength concentric stacked ring structure with a diameter of 400 $nm$, formed by two-level atoms. Utilizing the quantum optical open system master equation approach for the collective dipole dynamics, we demonstrate that, depending on the system parameters, our bio-mimicked 3D ring enables efficient excitation transfer between two ring layers. Our findings open prospects for engineering other biomimetic light-matter platforms and emitter arrays to achieve efficient energy transfer.

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