Longitudinal 2 x 2 Switching Configurations Based on Thermo-Optically Addressed Dielectric-Loaded Plasmonic Waveguides

Longitudinal 2 × 2 thermo-optic switches based on dielectric-loaded plasmonic circuitry are thoroughly studied using vectorial numerical tools, i.e., an eigenmode solver and a beam propagation method, implemented with the finite-element technique. The switching configurations studied are based on th...

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Bibliographic Details
Published in:Journal of lightwave technology 2011-09, Vol.29 (17), p.2636-2646
Main Authors: Pitilakis, A., Kriezis, E. E.
Format: Article
Language:English
Subjects:
Applied sciences
Beam propagation method
Circuit properties
dielectric-loaded plasmonic waveguide
Electric, optical and optoelectronic circuits
Electronics
Erbium
Exact sciences and technology
Heating
Integrated optics. Optical fibers and wave guides
Mach-Zehnder interferometer (MZI)
multimode interference (MMI)
Optical and optoelectronic circuits
Optical switches
Optical waveguides
plasmonic components
Plasmons
Polymers
Switching and signalling
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
thermo-optic effect
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Summary:Longitudinal 2 × 2 thermo-optic switches based on dielectric-loaded plasmonic circuitry are thoroughly studied using vectorial numerical tools, i.e., an eigenmode solver and a beam propagation method, implemented with the finite-element technique. The switching configurations studied are based on the Mach-Zehnder interferometer (MZI) and a novel multimode interference (MMI) design. Both components offer improved performance, with respect to comparable microring-based ones, exhibiting larger bandwidth and output port extinction ratio, allowing values up to 30 dB. The reference MZI configuration has better overall performance when compared to the MMI, mainly in terms of available bandwidth.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2011.2162227