Characterization of long-range plasmonic waveguides at visible to near-infrared regime
Source abstract
Abstract
Long-range surface plasmon polariton waveguides composed with thin gold stripes embedded in SU-8 polymer cladding with various stripe widths were fabricated. Material properties of the polymer cladding layer, gold thin film, and the device structures were discussed. Optical properties based on modal propagation were characterized at visible to near-infrared wavelengths. The measured propagation losses of waveguide widths from 3 to 9 μm at 633, 785, and 1550 nm are 7.5-18.8, 6.8-12.5, and 1.9-3.9 dB/mm, respectively. Guiding mode properties such as overlap integrals between the simulated and the measured fields and the polarization extinction ratios of the waveguides with different stripe widths were investigated at the telecommunication wavelength. Good accordance between the measurement and simulation results was presented.
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Research context
OpenAlex topics: Plasmonic and Surface Plasmon Research · Photonic and Optical Devices · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University 1 , Nantou 54561, Taiwan
Department of Physics and Department of Opto-Electronic Engineering, National Dong Hwa University 2 , Hualien 97401, Taiwan
Department of Electrophysics, National Chiayi University 3 , Chiayi 60004, Taiwan
Funding
Ministry of Science and Technology, Taiwan
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