Abstract

The emission of light by sources in close proximity to a thin metallic film is dominated by surface plasmon-polariton modes supported by that film. We explore the nature of the modes and examine how the energy lost to such modes can be recovered. Both cross-coupled and coupled SPPs are presented as a means of transferring energy across a thin metal film. These modes are then scattered and thereby coupled to light by a wavelength scale grating type microstructure. We show that the photoluminescence emission from a structure containing a microstructured thin metal film that supports coupled SPPs is over 50 times greater than that from a similar planar structure. Similar strong photoluminescence emission is also exhibited by a sample that contains a planar metal film coated with a microstructured dielectric overlayer.

© 2004 Optical Society of America

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Adv. Mater.

P. A. Hobson, S. Wedge, J. A. E. Wasey, I. Sage and W.L. Barnes, ???Surface plasmon mediated emission from organic light-emitting diodes,??? Adv. Mater. 14, 1393-1396 (2002).
[CrossRef]

Appl. Phys. Lett.

L. H. Smith, J. A. E. Wasey, and W. L. Barnes, "The light out-coupling efficiency of top emitting organic light-emitting diodes," Appl. Phys. Lett. 84, 2986-2988 (2004).
[CrossRef]

N. E. Hecker, R. A. Hopfel, N. Sawaki, T. Maier, and G. Strasser, "Surface plasmon enhanced photoluminescence from a single quantum well," Appl. Phys. Lett. 75, 1577-1579 (1999).
[CrossRef]

A. Köck, E. Gornik, M. Hauser, and K. Beinstingl, "Strongly directional emission from AlGaAs/GaAs light emitting diodes," Appl. Phys. Lett. 57, 2327-2329 (1990).
[CrossRef]

P. T. Worthing and W. L. Barnes, "Efficient coupling of surface plasmon-polaritons to radiation using a bigrating," Appl. Phys. Lett. 79, 3035-3037 (2001).
[CrossRef]

J. R. Lawrence, P. Andrew, M. Buck, W. L. Barnes, G. A. Turnbull and I. D. W. Samuel, ???Optical properties of a light-emitting polymer directly patterned by soft lithography,??? Appl. Phys. Lett. 81, 1955-1957 (2002)
[CrossRef]

D. K. Gifford and D. G. Hall, ???Extraordinary transmission of organic photoluminescence through an otherwise opaque metal layer via surface plasmon cross coupling,??? Appl. Phys. Lett. 80, 3679-3681 (2002)
[CrossRef]

J. M. Lupton, B. J. Matterson, I. D. W. Samuel, M. J. Jory, and W. L. Barnes, ???Bragg scattering from periodically microstructured light emitting diodes,??? Appl. Phys. Lett. 77, 3340-3342 (2000).
[CrossRef]

J. Lightwave Technol.

J. Mod Opt.

W. L. Barnes, ???Fluorescence near interfaces: the role of photonic mode density,??? J. Mod Opt. 45, 661 ??? 699 (1998)

J. Mod. Opt.

R. Windisch, S. Schoberth, S. Meinischmidt, P. Kiesel, A. Knobloch, P. Heremans, B. Dutta, G. Borghs, and G. H. Dohler, ???Light propagation through textured surfaces,??? J. Mod. Opt. 1, 512-516 (1999)

P. T. Worthing and W. L. Barnes, "Coupling efficiency of surface plasmon-polaritons to radiation using a corrugated surface angular dependence," J. Mod. Opt. 49, 1453-1462 (2002).

Nature

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, ???Extraordinary optical transmission through sub-wavelength hole arrays,??? Nature, 391, 667-669 (1998).
[CrossRef]

Opt. Express

Opt. Lett.

Phys. Rev. B

I. R. Hooper, J. R. Sambles, ???Surface plasmon-polariton on thin-slab metal gratings,??? Phys. Rev. B 67, 2354041-2354046 (2003).

R. M. Amos and W. L. Barnes, ???Modification of the spontaneous emission rate of Eu3+ ions close to a thin metal mirror,??? Phys. Rev. B 55, 7249-7254 (1997)
[CrossRef]

S. Wedge, I. R. Hooper, I. Sage and W. L. Barnes, ???Light emission through a corrugated metal film: the role of cross-coupled surface plasmon-polaritons,??? Phys. Rev. B (to be published) (2004)

Phys. Rev. Lett.

D. Sarid, ???Long-range surface-plasma waves on very thin metal films,??? Phys. Rev. Lett. 47, 1927-1930 (1981).
[CrossRef]

R. W. Gruhlke, W. R. Holland, and D. G. Hall, ???Surface-plasmon cross coupling in molecular fluorescence near a corrugated thin metal film,??? Phys. Rev. Lett. 56, 2838-2841 (1986).
[CrossRef]

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