18 June 2004 Novel configurations and approaches for polymer electro-optic devices
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We present recent developments in etchless fabrication techniques for defining low-loss waveguides in polymers. Photobleached waveguides with optical propagation loss equal to the inherent loss of the core materials have been fabricated, as well as Mach-Zehnder modulators with 4.5 volt driving voltage and fiber-to-fiber insertion loss of 8 dB. In terms of new configurations, a novel linearized directional coupler modulator that has a 10 dB enhancement in the dynamic range compared to conventional Mach-Zehnder modulators is presented. We report on the design and fabrication of polymer digital optical switches with switching voltages of 7 volts and extinction ratios greater than 20 dB. Simultaneous serrodyne frequency shifting and high-frequency phase modulation in a polymer phase modulator are demonstrated in order to simplify the setup required to implement two-color heterodyne ranging. Finally, we propose implementations of optical signal processors based on polymer optical delay lines, couplers, and electrooptic modulators, and discuss their applications to optical signal processing.
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Harold R. Fetterman, Harold R. Fetterman, Seong-Ku Kim, Seong-Ku Kim, Kevin Geary, Kevin Geary, Ilya Poberezhskiy, Ilya Poberezhskiy, Bart Bortnik, Bart Bortnik, Wei Yuan, Wei Yuan, Yu-Chueh Hung, Yu-Chueh Hung, Byoung-Joon Seo, Byoung-Joon Seo, William H. Steier, William H. Steier, } "Novel configurations and approaches for polymer electro-optic devices", Proc. SPIE 5351, Organic Photonic Materials and Devices VI, (18 June 2004); doi: 10.1117/12.533172; https://doi.org/10.1117/12.533172

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