Characterization of long-range plasmonic waveguides at visible to near-infrared regime | Zendy

Sheng-Ting Huang | Zendy; ChienChih Lai | Zendy; Fang-Wen Sheu | Zendy; WanShao Tsai | Zendy

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Characterization of long-range plasmonic waveguides at visible to near-infrared regime

Author(s) -

Sheng-Ting Huang,

ChienChih Lai,

Fang-Wen Sheu,

WanShao Tsai

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5011716

Subject(s) - cladding (metalworking) , materials science , wavelength , infrared , plasmon , optics , surface plasmon polariton , extinction ratio , surface plasmon , optoelectronics , polarization (electrochemistry) , waveguide , molar absorptivity , polariton , thin film , near infrared spectroscopy , nanotechnology , physics , chemistry , metallurgy

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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