Diazo dye attached electro-optical polymer and its applications to waveguide devices and electro-optical sampling

Michiyuki Amano; Makoto Hikita; Yoshito Shuto; Toshio Watanabe; Satoru Tomaru; Makoto Yaita; Tadao Nagatsuma

doi:10.1117/12.173835

15 May 1994 Diazo dye attached electro-optical polymer and its applications to waveguide devices and electro-optical sampling

Michiyuki Amano, Makoto Hikita, Yoshito Shuto, Toshio Watanabe, Satoru Tomaru, Makoto Yaita, Tadao Nagatsuma

Author Affiliations +

Proceedings Volume 2143, Organic, Metallo-Organic, and Polymeric Materials for Nonlinear Optical Applications; (1994) https://doi.org/10.1117/12.173835
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

An electro-optical polymer was synthesized where a diazo dye with a dicyanovinyl group as an electron acceptor and a diethylamino group as a donor is attached to the polymer chain. The electro-optical coefficient (r) reached 30 pm/V. It was found that the edge absorption of the chromophore caused a loss increase in the near infrared region, which indicates that the increase in the r value leads to a propagation loss increase in the material. The loss is around 1.0 dB/cm in a single-mode waveguide fabricated by using oxygen reactive ion etching. The polymer waveguide is applied to two types of devices, a Mach-Zehnder optical modulator and a vertically stacked directional coupler, which both achieve electro-optical modulation. As another application, electro-optical measurement of an electric field in a high-speed circuit device is demonstrated, where the polymer is processed into a chip film probe and patched to an integrated circuit, thus enabling the electric signal to be detected.

Citation Download Citation

Michiyuki Amano, Makoto Hikita, Yoshito Shuto, Toshio Watanabe, Satoru Tomaru, Makoto Yaita, and Tadao Nagatsuma "Diazo dye attached electro-optical polymer and its applications to waveguide devices and electro-optical sampling", Proc. SPIE 2143, Organic, Metallo-Organic, and Polymeric Materials for Nonlinear Optical Applications, (15 May 1994); https://doi.org/10.1117/12.173835

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