The Q-factor of a localized plasmon cavity is enhanced significantly when allowing the plasmon to very slightly propagate as an SPP. The resulting mixed plasmon - plasmon polariton resonators retain sub-100nm volume with enhanced Q-factors.
© 2008 Optical Society of America
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
(350.0350) Other areas of optics : Other areas of optics
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
E. Feigenbaum and M. Orenstein, ""Nearly Zero" Modal Volume Cavities Using Localized Plasmons with Some Retardation Effects," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper QTuD5.
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