Applied Physics B

, Volume 75, Issue 4, pp 591–594

Quantum efficiency and the photonic control of molecular fluorescence in the solid state

Authors

  • S. Astilean
    • G13 Thin Film Photonics, School of Physics, University of Exeter, EX4 4QL, UK
  • W.L. Barnes
    • G13 Thin Film Photonics, School of Physics, University of Exeter, EX4 4QL, UK
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DOI: 10.1007/s00340-002-1006-5

Cite this article as:
Astilean, S. & Barnes, W. Appl Phys B (2002) 75: 591. doi:10.1007/s00340-002-1006-5

Abstract.

We investigate the role of quantum efficiency in determining the extent to which the local photonic environment may alter the spontaneous emission rate of organic dye molecules with broad luminescence spectra. Comparison of theory with experimental results shows that the quantum efficiency is a key determining factor in such control, low quantum efficiencies leading to poor control. These results help establish a firm basis for characterising near-fields in nano-optics and controlling fluorescing species.

PACS: 78.67.-n; 32.70.Cs; 85.60.Jb

Copyright information

© Springer-Verlag 2002