Birefringence, dimensionality, and surface influences on organic hybrid electro-optic performance
Birefringence, dimensionality, and surface influences on organic hybrid electro-optic performance
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双折射、维度和表面对有机混合电光性能的影响
DOI:
10.1117/12.2594939
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Robinson, Bruce H.
中科院分区:
文献类型:
--
作者:
Johnson, Lewis E.;Elder, Delwin L.;Benight, Stephanie J.;Tillack, Andreas F.;Hammond, Scott R.;Heni, Wolfgang;Dalton, Larry R.;Robinson, Bruce H.
Hybrid organic electro-optic (OEO) devices consist of a layer of ordered organic chromophores confined between layers of metals or semiconductors, enabling optical fields to be tightly confined within the OEO material. The combination of tight confinement with the high electro-optic (EO) performance of state-of-the art OEO materials enables exceptional electro-optic switching performance in silicon-organic hybrid (SOH) and plasmonic-organic hybrid (POH) device architectures. Recent records in POH devices include bandwidths < 500 GHz and energy efficiency < 100 aJ/bit. However, optimization of device performance requires both understanding and improving the degree to which chromophores can be acentrically ordered near a metal or semiconductor interface. Applying bulk and/or isotropic models of OEO materials to nanophotonic device architectures often lead to overly optimistic translation of materials performance to device performance. Prior work has identified influences of high centrosymmetric order (birefringence), altered relations between acentric and centrosymmetric order (dimensionality), and surface electrostatics on chromophore ordering. We combine these models into a representation that can be used to understand the influences of these phenomena on device performance, how some prior OEO materials exhibited unusually high performance under confinement, how ordering close to surfaces may be improved, and implications for future electro-optic device design.
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影响因子:
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DOI:
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