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Journal of Polymer Research

, 25:47 | Cite as

Synthesis and characterization of electro-optic waveguide material polyurethane-imides

  • Long-De Wang
  • Ling Tong
  • Hua-Yin Sun
  • Jie Tang
  • Tong Zhang
ORIGINAL PAPER

Abstract

The electro-optic (EO) polymers of Y-type polyurethane-imides (PUI-1 and PUI-2) were synthesized by reaction of monomer azo-based chromophores, phenyl diisocyanate and aromatic dianhydride, based on polycondensation mechanism. Molecular structure characteristics for the polymers were evidenced by 1HNMR, FTIR, elemental analysis and gel permeation chromatography. The polymers exhibited a glass transition temperature (Tg) of 185 °C and 192 °C and a temperature of 5% weight loss at 256 °C and 325 °C and showed EO coefficient, γ33, of 43 pm/V and 51 pm/V at 1550 nm wavelength. A type of single-mode embedded PUI polymeric inverted rib waveguide Mach-Zehnder (MZ) interferometer electro-optic modulators was fabricated and measured, and exhibiting favorable electro-optical modulation response and the average propagation loss of the waveguide was less than 2.0 dB/cm at 1550 nm. The experimental results indicated that the PUI were promising candidates for the preparation of comprehensive performance excellent EO polymer waveguide materials, due to their large nonlinear optic effects, thermal stability, good processability and low optical propagation loss.

Keywords

Polyurethane-imide Electro-optic polymer Polymer optical waveguide modulator 

Notes

Acknowledgements

This work is supported by Scientific Research Foundation of Huainan Normal University under grant no.2016xj03zd, NSFC under grant number 61307066, 61450110442.

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Long-De Wang
    • 1
    • 2
  • Ling Tong
    • 1
  • Hua-Yin Sun
    • 1
  • Jie Tang
    • 3
  • Tong Zhang
    • 3
  1. 1.School of Chemistry and Materials EngineeringHuainan Normal UniversityHuainanChina
  2. 2.Huainan Engineering Research Center for Fuel Cells and Anhui Key Laboratory of Low Temperature Co-fired MaterialsHuainanChina
  3. 3.School of Electronic Science and EngineeringSoutheast UniversityNanjingChina

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