22 January 1997 Preparation of chi(2)-inverted waveguides with poled polymers for efficient second-harmonic generation
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Abstract
Modal dispersion phase-matched second harmonic generation is demonstrated in polymer-based waveguides with a nonlinear optical core consisting of two side-chain polymers with different glass-transition temperatures. For an optimized overlap integral, a step like nonlinearity profile (chi(2)-inverted structure) is required across the core thickness. The chi(2)-inverted structure is achieved by two consecutive thermally assisted poling steps above and between the respective glass-transition temperatures, with an opposite poling field in the second poling step. The achieved chi(2)-inverted structure is monitored by in- situ electro-optic measurements and proved by electro-optic and second harmonic generation thermal analysis. Conversion efficiencies up to 7%/Wcm2 were achieved in first waveguide second-harmonic generation experiments.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Yilmaz, S. Yilmaz, Werner Wirges, Werner Wirges, Walter Brinker, Walter Brinker, Simona Bauer-Gogonea, Simona Bauer-Gogonea, Stefan Bauer, Stefan Bauer, Matthias L. Jaeger, Matthias L. Jaeger, George I. Stegeman, George I. Stegeman, M. Ahlheim, M. Ahlheim, M. Staehelin, M. Staehelin, B. Zysset, B. Zysset, F. Lehr, F. Lehr, Mart B. J. Diemeer, Mart B. J. Diemeer, M. C. Flipse, M. C. Flipse, } "Preparation of chi(2)-inverted waveguides with poled polymers for efficient second-harmonic generation", Proc. SPIE 3006, Optoelectronic Integrated Circuits, (22 January 1997); doi: 10.1117/12.264247; https://doi.org/10.1117/12.264247
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