An optical nanoantenna increases the nonlinear transient absorption signal of a single 40 nm gold nanodisc by an order of magnitude. In agreement with our calculations the signal is spectrally shifted to the antenna resonance.
© 2011 OSA
T. Schumacher, K. Kratzer, D. Ullrich, M. Hentschel, H. Giessen, and M. Lippitz, "Nanoantenna-enhanced ultrafast nonlinear spectroscopy of a single plasmonic nanodisc," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper QFB3.
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