Near-infrared pump/visible probe measurements on gold gratings demonstrate picosecond control of grating assisted coupling to surface plasmon polaritons. On-off switching ratios as large as 5.3 dB are possible.
© 2009 The Optical Society
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
(320.0320) Ultrafast optics : Ultrafast optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
N. Rotenberg, M. Betz, J. N. Caspers, and H. M. van Driel, "Ultrafast Switching of Light into Surface Plasmons: An Active Grating Coupler," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper ITuK4.
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