Direct Coupling of Plasmonic and Photonic Nanowires for Hybrid Nanophotonic Components and Circuits

We report direct coupling of plasmonic and photonic nanowires using ultracompact near-field interaction. Photon−plasmon coupling efficiency up to 80% with coupling length down to the 200 nm level is achieved between individual Ag and ZnO nanowires. Hybrid nanophotonic components, including polarizat...

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Bibliographic Details
Published in:Nano letters 2009-12, Vol.9 (12), p.4515-4519
Main Authors: Guo, Xin, Qiu, Min, Bao, Jiming, Wiley, Benjamin J, Yang, Qing, Zhang, Xining, Ma, Yaoguang, Yu, Huakang, Tong, Limin
Format: Article
Language:English
Subjects:
Applied sciences
Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronics
Equipment Design
Equipment Failure Analysis
Exact sciences and technology
integration
Materials science
Molecular electronics, nanoelectronics
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
nanostructures
Nanostructures - chemistry
Nanostructures - ultrastructure
Nanotechnology - instrumentation
Optical Devices
optics
optoelectronic devices
Particle Size
Physics
propagation
Quantum wires
Refractometry - instrumentation
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silver - chemistry
subwavelength-diameter silica
Surface and interface electron states
Surface Plasmon Resonance - instrumentation
Systems Integration
wave-guides
wires
Zinc Oxide - chemistry
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Description
Summary:We report direct coupling of plasmonic and photonic nanowires using ultracompact near-field interaction. Photon−plasmon coupling efficiency up to 80% with coupling length down to the 200 nm level is achieved between individual Ag and ZnO nanowires. Hybrid nanophotonic components, including polarization splitters, Mach−Zehnder interferometers, and microring cavities, are fabricated out of coupled Ag and ZnO nanowires. These components offer relatively low loss with subwavelength confinement; a hybrid nanowire microcavity exhibits a Q-factor of 520.
ISSN:1530-6984
1530-6992
1530-6992
DOI:10.1021/nl902860d