Modification of the photoluminescence anisotropy of semiconductor nanowires by coupling to surface plasmon polaritons
Optics Letters, Vol. 32, Issue 15, pp. 2097-2099 (2007)
http://dx.doi.org/10.1364/OL.32.002097
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Abstract
We demonstrate efficient modification of the polarized light emission from single semiconductor nanowires by coupling this emission to surface plasmon polaritons on a metal grating. The polarization anisotropy of the emitted photoluminescence from single nanowires is compared for wires deposited on silica, a flat gold film, and a shallow gold grating. By varying the orientation of the nanowire with respect to the grating grooves, the large intrinsic polarization anisotropy can be either suppressed or enhanced. This modification is interpreted by the appearance of an additional emission channel induced by surface plasmon polaritons and their conversion to p-polarized radiation at the grating.
© 2007 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(240.6680) Optics at surfaces : Surface plasmons
(260.3800) Physical optics : Luminescence
ToC Category:
Physical Optics
History
Original Manuscript: April 12, 2007
Manuscript Accepted: May 21, 2007
Published: July 18, 2007
Citation
O. L. Muskens, J. Treffers, M. Forcales, M. T. Borgström, E. P. A. M. Bakkers, and J. Gómez Rivas, "Modification of the photoluminescence anisotropy of semiconductor nanowires by coupling to surface plasmon polaritons," Opt. Lett. 32, 2097-2099 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-15-2097
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