Design of plasmonic nanoantennae for enhancing spontaneous emission
Optics Letters, Vol. 32, Issue 12, pp. 1623-1625 (2007)
http://dx.doi.org/10.1364/OL.32.001623
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Abstract
We apply two- and three-dimensional numerical calculations to study optical nanoantennae made of two coupled gold nanostructures, enclosing a single emitter in their gap. We show that, using structures manufacturable with today’s nanotechnology, it is possible to increase the radiative decay rate by three orders of magnitude while keeping a quantum efficiency larger than 80% in the near-infrared regime. We examine the competition between the radiative and nonradiative processes in the presence of the antennae as a function of wavelength and antenna geometry. Our results hold great promise for improving the quantum efficiency of poor emitters such as silicon nanocrystals or carbon nanotubes.
© 2007 Optical Society of America
OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(270.0270) Quantum optics : Quantum optics
(290.5850) Scattering : Scattering, particles
ToC Category:
Quantum Optics
History
Original Manuscript: February 15, 2007
Manuscript Accepted: March 12, 2007
Published: June 5, 2007
Citation
Lavinia Rogobete, Franziska Kaminski, Mario Agio, and Vahid Sandoghdar, "Design of plasmonic nanoantennae for enhancing spontaneous emission," Opt. Lett. 32, 1623-1625 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-12-1623
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