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Journal Article

Functional Plasmonic Nanocircuits with Low Insertion and Propagation Losses

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Kriesch,  Arian
Nonlinear Optics and Nanophotonics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Ploss,  Daniel
Nonlinear Optics and Nanophotonics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Pfeifer,  Hannes
Painter Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Peschel,  Ulf
Nonlinear Optics and Nanophotonics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Kriesch, A., Burgos, S. P., Ploss, D., Pfeifer, H., Atwater, H. A., & Peschel, U. (2013). Functional Plasmonic Nanocircuits with Low Insertion and Propagation Losses. NANO LETTERS, 13(9), 4539-4545. doi:10.1021/nl402580c.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6713-1
Abstract
We experimentally demonstrate plasmonic nanocircuits operating as subdiffraction directional couplers optically excited with high efficiency from free-space using optical Yagi-Uda style antennas at lambda(0) = 1550 nm. The optical Yagi-Uda style antennas are designed to feed channel plasmon waveguides with high efficiency (45% in coupling, 60% total emission), narrow angular directivity (<40 degrees), and low insertion loss. SPP channel waveguides exhibit propagation lengths as large as 34 mu m with adiabatically tuned confinement and are integrated with ultracompact (5 x 10 mu m(2)), highly dispersive directional couplers, which enable 30 dB discrimination over Delta lambda = 200 nm with only 0.3 dB device loss.