Preparation of chi(2)-inverted waveguides with poled polymers for efficient second-harmonic generation

S. Yilmaz; Werner Wirges; Walter Brinker; Simona Bauer-Gogonea; Stefan Bauer; Matthias L. Jaeger; George I. Stegeman; M. Ahlheim; M. Staehelin; B. Zysset; F. Lehr; Mart B. J. Diemeer; M. C. Flipse

doi:10.1117/12.264247

22 January 1997 Preparation of chi⁽²⁾-inverted waveguides with poled polymers for efficient second-harmonic generation

S. Yilmaz, Werner Wirges, Walter Brinker, Simona Bauer-Gogonea, Stefan Bauer, Matthias L. Jaeger, George I. Stegeman, M. Ahlheim, M. Staehelin, B. Zysset, F. Lehr, Mart B. J. Diemeer, M. C. Flipse

Author Affiliations +

Proceedings Volume 3006, Optoelectronic Integrated Circuits; (1997) https://doi.org/10.1117/12.264247
Event: Photonics West '97, 1997, San Jose, CA, United States

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.

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S. Yilmaz, Werner Wirges, Walter Brinker, Simona Bauer-Gogonea, Stefan Bauer, Matthias L. Jaeger, George I. Stegeman, M. Ahlheim, M. Staehelin, B. Zysset, F. Lehr, Mart B. J. Diemeer, and 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); https://doi.org/10.1117/12.264247

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