Silicon Hybrid Plasmonic Waveguides - Wu, Marcelo;Han, Zhanghua;Van, Vien
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The field of plasmonics has offered the promise to combine electronics and photonics at the nanometer scale for ultrafast information processing speeds and compact integration of devices. Various plasmonic waveguide schemes were proposed with the potential to achieve switching functionalities and densely integrated circuits using optical signals instead of electrons. Among these, the hybrid plasmonic waveguide stands out thanks to two sought-out properties: long propagation lengths and strong modal confinement. In this work, hybrid plasmonic waveguides and passive devices were theoretically…mehr

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Produktbeschreibung
The field of plasmonics has offered the promise to combine electronics and photonics at the nanometer scale for ultrafast information processing speeds and compact integration of devices. Various plasmonic waveguide schemes were proposed with the potential to achieve switching functionalities and densely integrated circuits using optical signals instead of electrons. Among these, the hybrid plasmonic waveguide stands out thanks to two sought-out properties: long propagation lengths and strong modal confinement. In this work, hybrid plasmonic waveguides and passive devices were theoretically investigated and experimentally demonstrated on an integrated silicon platform. A thin silicon dioxide gap between a gold conductive layer and a silicon core provides subwavelength confinement of light inside the gap. A long propagation length of 40 m was experimentally measured. A system of taper coupler connects the plasmonic waveguide to conventional photonic waveguides at a high efficiencyof 80%. Passive devices were also fabricated and characterized, including S-bends and Y-splitters.
Autorenporträt
Marcelo Wu's interest is in nanophotonics and include nanofabrication of integrated photonic devices. He worked under professor Vien Van at the University of Alberta for his Master's degree in Electrical Engineering from 2008 to 2011. He is currently pursuing a doctoral degree at the University of Calgary with professor Paul Barclay.