21 February 2018 Multi-scale theory-assisted nano-engineering of plasmonic-organic hybrid electro-optic device performance
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Multi-scale (correlated quantum and statistical mechanics) modeling methods have been advanced and employed to guide the improvement of organic electro-optic (OEO) materials, including by analyzing electric field poling induced electro-optic activity in nanoscopic plasmonic-organic hybrid (POH) waveguide devices. The analysis of in-device electro-optic activity emphasizes the importance of considering both the details of intermolecular interactions within organic electro-optic materials and interactions at interfaces between OEO materials and device architectures. Dramatic improvement in electro-optic device performance--including voltage-length performance, bandwidth, energy efficiency, and lower optical losses have been realized. These improvements are critical to applications in telecommunications, computing, sensor technology, and metrology. Multi-scale modeling methods illustrate the complexity of improving the electro-optic activity of organic materials, including the necessity of considering the trade-off between improving poling-induced acentric order through chromophore modification and the reduction of chromophore number density associated with such modification. Computational simulations also emphasize the importance of developing chromophore modifications that serve multiple purposes including matrix hardening for enhanced thermal and photochemical stability, control of matrix dimensionality, influence on material viscoelasticity, improvement of chromophore molecular hyperpolarizability, control of material dielectric permittivity and index of refraction properties, and control of material conductance. Consideration of new device architectures is critical to the implementation of chipscale integration of electronics and photonics and achieving the high bandwidths for applications such as next generation (e.g., 5G) telecommunications.
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Delwin L. Elder, Delwin L. Elder, Lewis E. Johnson, Lewis E. Johnson, Andreas F. Tillack, Andreas F. Tillack, Bruce H. Robinson, Bruce H. Robinson, Christian Haffner, Christian Haffner, Wolfgang Heni, Wolfgang Heni, Claudia Hoessbacher, Claudia Hoessbacher, Yuriy Fedoryshyn, Yuriy Fedoryshyn, Yannick Salamin, Yannick Salamin, Benedikt Baeuerle, Benedikt Baeuerle, Arne Josten, Arne Josten, Masafumi Ayata, Masafumi Ayata, Ueli Koch, Ueli Koch, Juerg Leuthold, Juerg Leuthold, Larry R. Dalton, Larry R. Dalton, "Multi-scale theory-assisted nano-engineering of plasmonic-organic hybrid electro-optic device performance", Proc. SPIE 10529, Organic Photonic Materials and Devices XX, 105290K (21 February 2018); doi: 10.1117/12.2295449; https://doi.org/10.1117/12.2295449

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