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PreprintCC BY 4.0arXiv

Excitation of subradiant states in atom chains by surface plasmon waves

  • Giorgio Vimercati
  • Nicola Piovella
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Abstract

Subradiant states of a finite subwavelength atomic chain in free space offer a powerful resource for photon storage. Yet their preparation and control remain challenging experimentally. A standard technique is to drive the atoms by a laser and observe the florescence light of the long-lived subradiant modes of excitation after the laser is switched off. However, these modes are highly degenerate and form an almost continuous band in the subradiant manifold. Here we propose a new method of exciting a given subradiant state by coupling atoms to a surface plasmon wave propagating along the interface with a metallic film. By controlling the chain/surface distance we may load, store and release photons in the atoms, making them a promising tool for future quantum memories.

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Cite

BibTeXRIS
BibTeX
@misc{vimercati2026excitation,
  title = {{Excitation of subradiant states in atom chains by surface plasmon waves}},
  author = {Giorgio Vimercati and Nicola Piovella},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.07651},
  eprint = {2610.07651},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.07651},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Excitation of subradiant states in atom chains by surface plasmon waves
AU  - Giorgio Vimercati
AU  - Nicola Piovella
PY  - 2026
DA  - 2026/10/06
PB  - arXiv
DO  - 10.48550/arxiv.2610.07651
UR  - https://arxiv.org/abs/2610.07651
AB  - Subradiant states of a finite subwavelength atomic chain in free space offer a powerful resource for photon storage. Yet their preparation and control remain challenging experimentally. A standard technique is to drive the atoms by a laser and observe the florescence light of the long-lived subradiant modes of excitation after the laser is switched off. However, these modes are highly degenerate and form an almost continuous band in the subradiant manifold. Here we propose a new method of exciting a given subradiant state by coupling atoms to a surface plasmon wave propagating along the interface with a metallic film. By controlling the chain/surface distance we may load, store and release photons in the atoms, making them a promising tool for future quantum memories.
ER  -