A gold film with a hexagonal array of sub-wavelength apertures has been fabricated onto the emitting surface of a semiconductor light emitting diode. Interaction of the light with surface plasmons produces highly directional emission.
© 2006 Optical Society of America
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
M. D. Harries and H. D. Summers, "LED Emission through Sub-Wavelength Apertures," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CWB5.
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