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Optica Publishing Group
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper JThC1

High thermal stability electro-optic chromophores

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Abstract

Electro-optic (EO) polymers are practical materials available for low cost fabrication of integrated optical devices that will have higher bandwidth, lower capacitance, and lower power requirements. New high performance optical grade polyimides have been developed to act both as passive waveguides and as hosts for EO chromophores in active regions of devices. Oftentimes, new chromophores cannot withstand the stringent thermal and chemical stability conditions required in polyimide- based fabrication processes and device assembly steps. Recently, we successfully developed a new class of high thermal stability (T > 365°C) fused-ring EO chromophores (Fig. 1), designed for their structural similarity of polyimide repeat units and consequent easy incorporation into host polyimides.1 The donor-acceptor groups are carefully designed to yield large EO coefficients as well as improved thermal stability and solubility in polyamic acid solutions. In this report, we will present thermal stability results and the EO measurements of the new EO chromophores and their guest-host polyimide films.

© 1994 Optical Society of America

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